SB20251013100 - Denial of service in Junos OS Evolved CFM and cfmman
Published: October 13, 2025
Security Bulletin ID
SB20251013100
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2025-52961)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper control for consumption of internal resources in the Connectivity Fault Management (CFM) daemon and the Connectivity Fault Management Manager (cfmman). A remote attacker on the local network can trigger resource exhaustion by sending specialy crafted traffic and perform a denial of service (DoS) attack.
The vulnerability affects the following platforms: PTX10001-36MR, PTX10002-36QDD, PTX10004, PTX10008, PTX10016.
Remediation
Install update from vendor's website.