SB2024031427 - Denial of service in Cisco IOS XR Software for ASR 9000 Series Aggregation Services Routers
Published: March 14, 2024
Security Bulletin ID
SB2024031427
Severity
Low
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) Input validation error (CVE-ID: CVE-2024-20327)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the PPP over Ethernet (PPPoE) termination feature. A remote attacker on the local network can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.