#VU87511 Input validation error in Cisco IOS XR and Cisco ASR 9000 Series Aggregation Services Routers - CVE-2024-20327

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Main Vulnerability Database Vulnerabilities #VU87511

#VU87511 Input validation error in Cisco IOS XR and Cisco ASR 9000 Series Aggregation Services Routers - CVE-2024-20327

Published: March 14, 2024


Vulnerability identifier: #VU87511
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-20327
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Cisco IOS XR
Cisco ASR 9000 Series Aggregation Services Routers
Software vendor:
Cisco Systems, Inc

Description

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 updates from vendor's website.

External links