Juniper Networks SRX DoS

The vulnerability of Juniper Networks Junos OS for network interface cards of the SRX series and routers of the MX series in processing flow data in operating systems allows for a memory reclamation error to occur. Exploiting this vulnerability can enable a malicious actor to cause service...

CVE-2026-21913

An Incorrect Initialization of Resource vulnerability in the Internal Device Manager IDM of Juniper Networks Junos OS on EX4000 models allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. On EX4000 models with 48 ports EX4000-48T, EX4000-48P, EX4000-48MP a high volu...

CVE-2026-21907

A Use of a Broken or Risky Cryptographic Algorithm vulnerability in the TLS/SSL server of Juniper Networks Junos Space allows the use of static key ciphers ssl-static-key-ciphers, reducing the confidentiality of on-path traffic communicated across the connection. These ciphers also do not support...

CVE-2025-59960

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Juniper DHCP service jdhcpd of Juniper Networks Junos OS and Junos OS Evolved allows a DHCP client in one subnet to exhaust the address pools of other subnets, leading to a Denial of Service DoS on the downstream DHCP...

CVE-2026-21920 Junos OS: SRX Series: If a specific request is processed by the DNS subsystem flowd will crash

An Unchecked Return Value vulnerability in the DNS module of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause a Denial-of-Service DoS. If an SRX Series device configured for DNS processing, receives a specifically formatted DNS request flowd will...

CVE-2026-21907 Junos Space: TLS/SSL server supports use of static key ciphers (ssl-static-key-ciphers)

A Use of a Broken or Risky Cryptographic Algorithm vulnerability in the TLS/SSL server of Juniper Networks Junos Space allows the use of static key ciphers ssl-static-key-ciphers, reducing the confidentiality of on-path traffic communicated across the connection. These ciphers also do not support...

EUVD-2026-2702

An Incorrect Permission Assignment for Critical Resource vulnerability in the Juniper DHCP daemon jdhcpd of Juniper Networks Junos OS and Junos OS Evolved allows a local, low-privileged user to write to the Unix socket used to manage the jdhcpd process, resulting in complete control over the...

Juniper Networks Junos OS resource management error vulnerability

Juniper Networks Junos OS is a network operating system specifically designed for hardware devices used by Juniper Networks. This operating system provides secure programming interfaces and the Junos SDK. Versions of Junos OS prior to 22.4R3-S7, 23.2R2-S3, 23.4R2-S4, and 24.2R2 contain a resource...

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved security vulnerabilities

Juniper Networks Junos OS and Juniper Networks Junos OS Evolved are both products of Juniper Networks, a US-based company. Juniper Networks Junos OS is a network operating system specifically designed for the company’s hardware devices. This operating system provides secure programming interfaces...

Juniper Networks Paragon Automation security vulnerabilities

Juniper Networks Paragon Automation is an automation and operations platform provided by the American company Juniper Networks. Versions of Juniper Networks Paragon Automation prior to 24.1.1 contained security vulnerabilities. These vulnerabilities stemmed from the lack of appropriate...

CVE-2025-52987: Improper Restriction of Rendered UI Layers or Frames

A clickjacking vulnerability exists in the web portal of Juniper Networks Paragon Automation Pathfinder, Planner, Insights due to the application's failure to set appropriate X-Frame-Options and X-Content-Type HTTP headers. This vulnerability allows an attacker to trick users into interacting wit...

Juniper Networks Junos OS Evolved Operating System Command Injection Vulnerability

Juniper Networks Junos OS Evolved is an upgraded version of Juniper Networks' Junos OS. Juniper Networks Junos OS Evolved suffers from an operating system command injection vulnerability that stems from improper handling of special elements, which could be exploited by an attacker to cause an OS...

EUVD-2025-33386

An Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Juniper Networks Junos Space allows an attacker to inject script tags in the Device Template Definition page that, when visited by another user, enables the attacker to execute commands with the...

EUVD-2025-33387

An Authentication Bypass by Primary Weakness in the FTP server of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to get limited read-write access to files on the device. When the FTP server is enabled and a user named "ftp" or "anonymous" is configured, that user can...

CVE-2025-59962

An Access of Uninitialized Pointer vulnerability in the routing protocol daemon rpd of Juniper Networks Junos OS and Junos OS Evolved with BGP sharding configured allows an attacker triggering indirect next-hop updates, along with timing outside the attacker's control, to cause rpd to crash and...

CVE-2025-59964

This CVE concerns Juniper Networks Junos OS on SRX4700 devices. A Use of Uninitialized Resource vulnerability in the PFE (Packet Forwarding Engine) can be triggered by forwarding-options sampling, allowing an unauthenticated, network-based attacker to cause a DoS. Specifically, when traffic desti...

CVE-2025-52961

CVE-2025-52961 affects Juniper Networks Junos OS Evolved on PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016. The issue is an Uncontrolled Resource Consumption in the CFM daemon (cfmd) and CFM Manager (cfmman) that allows an unauthenticated adjacent attacker to trigger Denial-of-Servic...

CVE-2025-11198: Missing Authentication for Critical Function

A Missing Authentication for Critical Function vulnerability in Juniper Networks Security Director Policy Enforcer allows an unauthenticated, network-based attacker to replace legitimate vSRX images with malicious ones. If a trusted user initiates deployment, Security Director Policy Enforcer wil...

PT-2025-41420

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos Space versions prior to 24.1R4 Description An Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' issue exists in Juniper Networks Junos Space. This allows an attacker to inject script tags...

PT-2025-41440

Name of the Vulnerable Software and Affected Versions Juniper Networks Junos OS Evolved versions 24.2 through 24.2R2-S2-EVO Juniper Networks Junos OS Evolved versions 24.4 through 24.4R2-EVO Description An issue exists in the CLI of Juniper Networks Junos OS Evolved that could allow an attacker t...