SB2025050118 - Improper following of specification by caller in Juniper Junos OS



SB2025050118 - Improper following of specification by caller in Juniper Junos OS

Published: May 1, 2025

Security Bulletin ID SB2025050118
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 following of specification by caller (CVE-ID: CVE-2025-21601)

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

The vulnerability exists due to improper following of specification by caller error in web management (J-Web, Captive Portal, 802.1X, Juniper Secure Connect (JSC). A remote non-authenticated attacker can the device to cause the CPU to climb until the device becomes unresponsive.


Remediation

Install update from vendor's website.