Input validation error in Cisco IOS XE - CVE-2022-20915

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Main Vulnerability Database Vulnerabilities #VU67727

Input validation error in Cisco IOS XE - CVE-2022-20915

Published: September 29, 2022


Vulnerability identifier: #VU67727
CSH Severity: 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-2022-20915
CWE-ID: CWE-20
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Cisco IOS XE
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 implementation of IPv6 VPN over MPLS (6VPE) with Zone-Based Firewall (ZBFW). 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