#VU67388 Uncontrolled Memory Allocation in Cisco Network Convergence System 4000 and Cisco IOS XR - CVE-2022-20845

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Main Vulnerability Database Vulnerabilities #VU67388

#VU67388 Uncontrolled Memory Allocation in Cisco Network Convergence System 4000 and Cisco IOS XR - CVE-2022-20845

Published: September 15, 2022


Vulnerability identifier: #VU67388
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-20845
CWE-ID: CWE-789
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Cisco Network Convergence System 4000
Cisco IOS XR
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to TL1 function does not free memory under some conditions. A local administrator can cause the TL1 process to consume large amounts of memory and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links