#VU51222 Buffer overflow in Cisco ASR 5000 Series - CVE-2021-1424

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Main Vulnerability Database Vulnerabilities #VU51222

#VU51222 Buffer overflow in Cisco ASR 5000 Series - CVE-2021-1424

Published: March 4, 2021


Vulnerability identifier: #VU51222
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1424
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco ASR 5000 Series
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 incoming Internet Key Exchange Version 2 (IKEv2) packets. A remote attacker can send specially crafted IKEv2 packets, trigger memory corruption and cause a denial of service condition on the target system.


Remediation

Install updates from vendor's website.

External links