SB2025010933 - Improper handling of exceptional conditions in Juniper Junos OS



SB2025010933 - Improper handling of exceptional conditions in Juniper Junos OS

Published: January 9, 2025

Security Bulletin ID SB2025010933
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper handling of exceptional conditions (CVE-ID: CVE-2025-21596)

CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of exceptional conditions error in the command-line processing. A local user can cause the chassis daemon (chassisd) to crash and restart, resulting in a temporary Denial of Service (DoS).


Remediation

Install update from vendor's website.