Juniper Networks Vendor Cyber Rating & Cyber Score

juniper.net
ISOSOC2 Type 1SOC2 Type 2PCI DSSHIPAAGDPR

Juniper Networks is leading the revolution in networking, making it one of the most exciting technology companies in Silicon Valley today. Since being founded by Pradeep Sindhu, Dennis Ferguson, and Bjorn Liencres nearly 20 years ago, Juniper’s sole mission has been to create innovative products and solutions that meet the growing demands of the connected world. Juniper Networks is headquartered in Sunnyvale, California, with over 9,000 employees in 50 countries and nearly $5 billion in revenue. Our customers include the top 100 global service providers and 30,000 enterprises, including the Global Fortune 100 as well as hundreds of federal, state and local government agencies and higher educational organizations. At Juniper Networks, we believe the network is the single greatest vehicle for knowledge, understanding, and human advancement that the world has ever known. Now more than ever, the world needs network innovation to connect ideas and unleash our full potential. Juniper is taking a new approach to the network — one that is intelligent, agile, secure and open to any vendor and any network environment. To learn more about Juniper, our products, and our vision for the decade ahead, visit our site at https://www.juniper.net. Acquired by Hewlett Packard Enterprise in 2025.

Juniper Networks A.I CyberSecurity Scoring

Juniper Networks

Company Details

Linkedin ID:

juniper-networks

Website:

http://www.juniper.net

Employees number:

10,258

Number of followers:

894,915

NAICS:

5112

Industry Type:

Software Development

Homepage:

juniper.net

IP Addresses:

Scan still pending

Company ID:

JUN_6775708

Scan Status:

In-progress

AI scoreJuniper Networks Risk Score (AI oriented)

Between 600 and 649

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Juniper Networks Software Development
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globalscoreJuniper Networks Global Score (TPRM)

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Juniper Networks Software Development
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Juniper Networks

Poor
Current Score
644
Caa (Poor)
01000
6 incidents
-43.5 avg impact

Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.

APRIL 2026
644
MARCH 2026
659
Cyber Attack
06 Mar 2026 • Juniper Networks and Alibaba Cloud: Malware Operators Hijack Network Devices For DDoS Attacks and Crypto Mining
Cybercriminals Shift Focus to Network Infrastructure as New Malware Strains Emerge

**Cybercriminals Shift Focus to Network Infrastructure as New Malware Strains Emerge** Security researchers have uncovered a surge in attacks targeting network infrastructure, including routers, firewalls, and IoT devices, as threat actors pivot away from traditional endpoints. This trend, once dominated by nation-state actors, is now being exploited by financially motivated attackers for large-scale DDoS campaigns and cryptocurrency mining. On **March 6, 2026**, researchers identified two new malware strains **CondiBot** and **Monaco** designed to compromise Linux-based systems and network devices. **CondiBot**, a Mirai-derived botnet variant, infects devices across ARM, MIPS, and x86 architectures, disabling reboot functions and removing competing malware before launching DDoS attacks. It spreads via multiple download methods, including **wget, curl, and TFTP**, and connects to a command-and-control (C2) server for further instructions. Meanwhile, **Monaco**, written in Go, scans the internet for exposed SSH services, using brute-force attacks with common passwords to gain access. Once inside, it deploys **Monero mining software**, kills competing miners, and exfiltrates stolen credentials to its C2 infrastructure often hosted on **Alibaba Cloud**. The malware targets servers, routers, and Juniper networks, optimizing system performance to maximize cryptocurrency output. These campaigns reflect a broader shift in cyber threats, with attackers increasingly exploiting unpatched vulnerabilities and weak configurations in internet-facing systems like VPNs and gateways. Network devices pose a unique risk due to limited security monitoring, allowing attackers to maintain persistence, intercept traffic, and move laterally within compromised environments. The rise of **CondiBot** and **Monaco** underscores how cybercriminals are blending disruption with profit-driven tactics, making network infrastructure a critical attack vector.

642
critical -17
JUNALI1773930337
Incident Details -
Type
Malware DDoS Cryptocurrency Mining
Attack Vector
Brute-force attacks Exploiting unpatched vulnerabilities Weak configurations
Vulnerability Exploited
Exposed SSH services Unpatched network devices
Motivation
Financial gain Disruption
Impact
Stolen credentials Routers Firewalls IoT devices Linux-based systems Juniper networks VPNs Gateways Lateral movement within compromised environments Traffic interception Persistence in networks
Data Breach
Credentials
Initial Access Broker
Exposed SSH services
Post Incident Analysis
Unpatched vulnerabilities Weak configurations Exposed internet-facing systems
References
Blog URL Source URL
FEBRUARY 2026
729
Vulnerability
27 Feb 2026 • Juniper Networks: Juniper Networks PTX Vulnerability Allows Full Router Takeover, Exposing Networks
Juniper Networks Patches Critical PTX Series Router Vulnerability (CVE-2026-21902)

**Juniper Networks Patches Critical PTX Series Router Vulnerability (CVE-2026-21902)** Juniper Networks has released an out-of-cycle security bulletin addressing a critical vulnerability (CVE-2026-21902) in its PTX Series routers running Junos OS Evolved. The flaw, rated **9.8 (CVSS v3.1) and 9.3 (CVSS v4.0)**, allows unauthenticated, remote attackers to execute arbitrary code with **root privileges**, enabling full device takeover. The vulnerability stems from an **incorrect permission assignment** in the **On-Box Anomaly Detection framework**, a default-enabled service designed to monitor unusual network behavior. Due to the flaw, the framework is exposed over an **externally accessible port**, bypassing authentication requirements. Attackers can exploit this to gain **unrestricted control**, potentially intercepting traffic, altering configurations, or launching further attacks. **Affected Systems:** - **Junos OS Evolved** (PTX Series only) - **Versions:** 25.4R1-EVO to 25.4R1-S1-EVO (before 25.4R1-S1-EVO) and 25.4R2-EVO - **Unaffected:** Junos OS Evolved versions before 25.4R1-EVO and standard Junos OS Juniper discovered the issue during internal testing, with **no evidence of active exploitation** reported. However, due to its severity, immediate action is recommended. **Mitigation:** - **Patch:** Upgrade to **25.4R1-S1-EVO, 25.4R2-EVO, 26.2R1-EVO, or later**. - **Workarounds:** - Restrict access via **firewall filters/ACLs** (allowing only trusted networks). - Disable the vulnerable service using the CLI command: `request pfe anomalies disable`. The flaw highlights risks in core network infrastructure, particularly when default services expose critical attack surfaces. Administrators are urged to prioritize updates to prevent potential compromise.

659
critical -70
JUN1772173422
Incident Details -
Type
Vulnerability Exploitation
Attack Vector
Remote
Vulnerability Exploited
CVE-2026-21902
Impact
Systems Affected: PTX Series routers running Junos OS Evolved Operational Impact: Full device takeover, potential traffic interception, configuration alteration, or further attacks
Response
Containment Measures: Upgrade to patched versions (25.4R1-S1-EVO, 25.4R2-EVO, 26.2R1-EVO, or later), restrict access via firewall filters/ACLs, disable vulnerable service using CLI command Remediation Measures: Patch deployment, firewall configuration, service disablement
Lessons Learned
Highlights risks in core network infrastructure when default services expose critical attack surfaces
Recommendations
Prioritize updates to prevent potential compromise, restrict access to trusted networks, disable vulnerable services if patching is not immediately possible
Investigation Status
['Vulnerability patched, no evidence of active exploitation reported']
Post Incident Analysis
Root Causes: Incorrect permission assignment in the On-Box Anomaly Detection framework, exposure over externally accessible port Corrective Actions: Patch deployment, firewall configuration, service disablement
References
Blog URL Source URL
JANUARY 2026
660
DECEMBER 2025
726
NOVEMBER 2025
655
OCTOBER 2025
652
SEPTEMBER 2025
650
AUGUST 2025
647
JULY 2025
644
JUNE 2025
641
MAY 2025
638
MARCH 2025
767
Breach
01 Mar 2025 • Juniper Networks
UNC3886 Attack on Juniper Networks Junos OS Routers

Mandiant researchers discovered custom backdoors deployed by China-linked espionage group UNC3886 on outdated Juniper Networks Junos OS routers. These TINYSHELL-based backdoors aimed for long-term persistence and stealth, targeting internal networking infrastructure and ISP routers. The backdoors imitated legitimate binaries and bypassed Junos OS security mechanisms, which could potentially lead to privileged access abuse, network authentication service compromises, and further covert operations within affected systems. The incident highlights significant vulnerabilities within critical networking devices and represents a strategic threat to the defense, technology, and telecommunications sectors.

712
critical -55
JUN000031325
Incident Details -
Type
Espionage
Attack Vector
Custom Backdoors
Vulnerability Exploited
Outdated Junos OS routers
Motivation
Long-term persistence and stealth
Impact
Juniper Networks Junos OS routers Privileged access abuse Network authentication service compromises Covert operations
Initial Access Broker
Entry Point: Outdated Juniper Networks Junos OS routers Backdoors Established: TINYSHELL-based backdoors Internal networking infrastructure ISP routers
Post Incident Analysis
Outdated Junos OS routers
References
Blog URL Source URL
JANUARY 2025
766
Breach
01 Jan 2025 • Canadian Tire, Cisco, VMware and Juniper: Security Affairs newsletter Round 565 by Pierluigi Paganini – INTERNATIONAL EDITION
Cybersecurity Roundup: Major Breaches, State-Backed Threats, and Critical Vulnerabilities

**Cybersecurity Roundup: Major Breaches, State-Backed Threats, and Critical Vulnerabilities** A wave of high-profile cyber incidents, state-sponsored attacks, and critical vulnerabilities has dominated recent cybersecurity news. **Law Enforcement Actions & Espionage** Spanish police arrested a young hacker for exploiting a payment gateway to book luxury hotel stays for just one cent. Meanwhile, a former U.S. defense contractor executive received an 87-month prison sentence for selling stolen trade secrets, including zero-day exploits, to a Russian broker. In a separate case, a Romanian national pleaded guilty to selling unauthorized access to Oregon state government networks and other U.S. victims. **State-Backed Threats & APT Activity** Google’s Threat Intelligence Group (GTIG) disrupted a China-linked APT, **UNC2814**, halting attacks on 53 organizations across 42 countries. The **Lazarus Group**, a North Korean APT, deployed **Medusa ransomware** against a Middle East target, while **APT28** (Russia) launched **Operation MacroMaze**, exploiting webhooks for covert data exfiltration. Dutch intelligence warned of Russia escalating hybrid attacks, preparing for a prolonged standoff with Western nations. **Critical Vulnerabilities & Exploits** The U.S. **Cybersecurity and Infrastructure Security Agency (CISA)** added multiple flaws to its **Known Exploited Vulnerabilities (KEV) catalog**, including: - A **Soliton Systems K.K FileZen** vulnerability. - **Cisco SD-WAN** flaws, abused since 2023 for full admin control. - **BeyondTrust** (CVE-2026-1731) and **VMware Aria Operations** vulnerabilities enabling remote attacks. Juniper issued an emergency patch for a critical **PTX router RCE flaw**, while **Check Point** researchers exposed flaws in **Claude Code** that could turn untrusted repositories into attack vectors. **Ransomware & Data Breaches** - **Everest ransomware** hit **Vikor Scientific’s supplier**, stealing data of **140,000 patients**. - **ShinyHunters** breached **CarGurus**, exposing **12.4 million users**. - **ManoMano**, a European DIY chain, suffered a breach impacting **38 million customers**. - **Canadian Tire** disclosed a 2025 breach affecting **38 million users**. - **Olympique Marseille** confirmed an attempted cyberattack following a data leak. **Emerging Threats & AI Risks** - **12 million exposed .env files** revealed widespread security misconfigurations. - **Aeternum**, a new botnet, hides commands in **Polygon smart contracts**. - An **AI-powered campaign** compromised **600 FortiGate systems** globally. - **Arkanix Stealer**, an AI-assisted info-stealer, briefly operated before shutting down. - **CrowdStrike** reported attackers moving through networks in **under 30 minutes**. **Geopolitical & Industry Developments** - **Apple’s iPhone and iPad** became the first consumer devices cleared for **NATO ‘RESTRICTED’ classification**. - The U.S. **Treasury sanctioned** an exploit broker network for theft and sale of government cyber tools. - **Iran’s internet** faced near-total blackouts amid **U.S. and Israeli strikes**. - **Ukraine** reported cyberattacks on its energy grid being used to guide missile strikes. **Malware & Campaigns** - **UAT-10027**, a stealthy campaign, targeted U.S. education and healthcare with the **Dohdoor backdoor**. - **Starkiller**, a phishing service, proxies real login pages, including **MFA**. - **North Korean actors** deployed **Medusa ransomware** in a Middle East attack. - A **wormable XMRig campaign** used **BYOVD (Bring Your Own Vulnerable Driver)** and a timed kill switch for stealth. The past week underscored the growing sophistication of cyber threats, from state-sponsored espionage to AI-driven attacks and large-scale data breaches.

679
critical -87
CISVMWJUNCAN1772332146
Incident Details -
Type
APT Activity Ransomware Data Breach Vulnerability Exploitation Espionage Malware Campaign
Attack Vector
Exploited Vulnerabilities Phishing Zero-Day Exploits Webhooks Exploitation AI-Powered Attacks Supply Chain Attack
Vulnerability Exploited
Soliton Systems K.K FileZen Cisco SD-WAN flaws BeyondTrust (CVE-2026-1731) VMware Aria Operations Juniper PTX router RCE flaw Claude Code flaws
Motivation
Financial Gain Espionage Data Theft Sabotage Geopolitical
Impact
140,000 patients (Vikor Scientific supplier) 12.4 million users (CarGurus) 38 million customers (ManoMano) 38 million users (Canadian Tire) Payment gateways Government networks Healthcare systems E-commerce platforms Energy grids NATO-classified devices Disrupted services Data exfiltration Network compromise Olympique Marseille Canadian Tire ManoMano 140,000 patients 12.4 million users 38 million customers
Response
Google’s Threat Intelligence Group (GTIG) Spanish Police U.S. Law Enforcement Emergency patch for Juniper PTX router Disruption of UNC2814 attacks
Data Breach
Patient data User data Customer data Trade secrets Government network access 140,000 12.4 million 38 million 38 million High Medium Yes Yes (Ransomware) .env files Yes
Regulatory Compliance
87-month prison sentence (U.S. defense contractor executive) Guilty plea (Romanian national)
Initial Access Broker
Yes (Romanian national)
References
Blog URL Source URL
DECEMBER 2024
783
Cyber Attack
11 Dec 2024 • Juniper Networks
Juniper Networks SSR Compromise

On December 11, 2024, Juniper Networks identified a security breach where multiple customers' Session Smart Router (SSR) products running default passwords were compromised. The attackers leveraged the devices to conduct Distributed Denial-of-Service (DDoS) attacks as part of the Mirai botnet's activity. This security event resulted in unusual network behavior, including port scanning, failed SSH logins, spikes in traffic, and connections from known malicious IP addresses. Juniper Networks has issued recommendations to customers for strengthening security practices and mitigating future risks. This incident underscores the importance of strong password policies and regular security monitoring to prevent exploitation of network devices. No data leaks or critical threats to personal, financial, or regional economic security were reported.

766
low -17
JUN000122224
Incident Details -
Type
DDoS Attack
Attack Vector
Default Passwords
Vulnerability Exploited
Weak Password Policies
Motivation
Conduct DDoS Attacks
Impact
Session Smart Router (SSR) products Unusual network behavior Port scanning Failed SSH logins Spikes in traffic Connections from known malicious IP addresses
Response
Strengthening security practices Mitigating future risks Issued recommendations to customers Regular security monitoring
Lessons Learned
Importance of strong password policies Regular security monitoring
Recommendations
Strengthening security practices Mitigating future risks
Customer Advisories
Issued recommendations to customers
Initial Access Broker
Entry Point: Default Passwords
Post Incident Analysis
Weak Password Policies Strengthening security practices Regular security monitoring
References
Blog URL Source URL
JUNE 2024
784
Vulnerability
16 Jun 2024 • Juniper Networks
UNC3886 Targets Juniper Networks Routers with Custom Backdoors

In mid-2024, China-linked cyber espionage group UNC3886 targeted outdated Juniper Networks Junos OS MX routers with custom backdoors. The deployment of TINYSHELL-based backdoors, which allowed for stealthy, persistent access, showed a sophisticated understanding of system internals and posed a significant threat. This attack rendered the organization vulnerable to long-term espionage activities, primarily affecting the defense, technology, and telecommunications sectors in the US and Asia. The security incident not only undermined the integrity of Juniper Networks' devices but also put sensitive customer and employee data at risk.

782
critical -2
JUN000031625
Incident Details -
Type
Cyber Espionage
Attack Vector
Custom Backdoors
Vulnerability Exploited
Outdated Juniper Networks Junos OS MX routers
Motivation
Espionage
Impact
Customer Data Employee Data Juniper Networks Junos OS MX routers Brand Reputation Impact: Significant
Data Breach
Customer Data Employee Data Sensitivity Of Data: High
Initial Access Broker
Entry Point: Outdated Juniper Networks Junos OS MX routers TINYSHELL-based backdoors Defense Technology Telecommunications
Post Incident Analysis
Root Causes: Outdated Juniper Networks Junos OS MX routers
References
Blog URL Source URL

Frequently Asked Questions

According to Rankiteo, the current A.I.-based Cyber Score for Juniper Networks is 644, which corresponds to a Poor rating.

According to Rankiteo, the A.I. Rankiteo Cyber Score for March 2026 was 659.

According to Rankiteo, the A.I. Rankiteo Cyber Score for February 2026 was 729.

According to Rankiteo, the A.I. Rankiteo Cyber Score for January 2026 was 660.

According to Rankiteo, the A.I. Rankiteo Cyber Score for December 2025 was 726.

According to Rankiteo, the A.I. Rankiteo Cyber Score for November 2025 was 655.

According to Rankiteo, the A.I. Rankiteo Cyber Score for October 2025 was 652.

According to Rankiteo, the A.I. Rankiteo Cyber Score for September 2025 was 650.

According to Rankiteo, the A.I. Rankiteo Cyber Score for August 2025 was 647.

According to Rankiteo, the A.I. Rankiteo Cyber Score for July 2025 was 644.

According to Rankiteo, the A.I. Rankiteo Cyber Score for June 2025 was 641.

According to Rankiteo, the A.I. Rankiteo Cyber Score for May 2025 was 638.

Over the past 12 months, the average per-incident point impact on Juniper Networks’s A.I Rankiteo Cyber Score has been -43.5 points.

You can access Juniper Networks’s cyber incident details on Rankiteo by visiting the following link: https://www.rankiteo.com/company/juniper-networks.

You can find the summary of the A.I Rankiteo Risk Scoring methodology on Rankiteo by visiting the following link: Rankiteo Algorithm.

You can view Juniper Networks’s profile page on Rankiteo by visiting the following link: https://www.rankiteo.com/company/juniper-networks.

With scores of 18.5/20 from OpenAI ChatGPT, 20/20 from Mistral AI, and 17/20 from Claude AI, the A.I. Rankiteo Risk Scoring methodology is validated as a market leader.