SB2025041877 - Improper check for unusual or exceptional conditions in Junos OS Evolved and Juniper Junos OS
Published: April 18, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper check for unusual or exceptional conditions (CVE-ID: CVE-2025-30655)
CWE-ID: CWE-754 - Improper Check for Unusual or 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 check for unusual or exceptional conditions error in the Routing Protocol Daemon (rpd). A local user can cause a Denial-of-Service (DoS).
When a specific "show bgp neighbor" CLI command is run, the rpd cpu utilization rises and eventually causes a crash and restart.
Repeated use of this command will cause a sustained DoS condition.
Remediation
Install update from vendor's website.