SB2025041878 - Improper input validation in Juniper Junos OS
Published: April 18, 2025
Security Bulletin ID
SB2025041878
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper input validation (CVE-ID: CVE-2025-30649)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation error in the syslog stream TCP transport . A remote non-authenticated attacker can send specific spoofed packets to cause a CPU Denial of Service (DoS) to the MX-SPC3 SPUs.
Remediation
Install update from vendor's website.