SB2025011008 - Remote denial of service in Junos OS and Junos OS Evolved rpd



SB2025011008 - Remote denial of service in Junos OS and Junos OS Evolved rpd

Published: January 10, 2025

Security Bulletin ID SB2025011008
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper control of a resource through its lifetime (CVE-ID: CVE-2025-21593)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an improper control of a resource through its lifetime in the routing protocol daemon (rpd). A remote attacker can send a malformed BGP UPDATE packet to the affected device and perform a denial of service attack.

The vulnerability affects iBGP and eBGP, and both IPv4 and IPv6 protocols.


Remediation

Install update from vendor's website.