#VU67728 Improper Handling of Exceptional Conditions in Cisco IOS XE and Cisco IOS - CVE-2022-20920

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Main Vulnerability Database Vulnerabilities #VU67728

#VU67728 Improper Handling of Exceptional Conditions in Cisco IOS XE and Cisco IOS - CVE-2022-20920

Published: September 29, 2022


Vulnerability identifier: #VU67728
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-20920
CWE-ID: CWE-755
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Cisco IOS XE
Cisco IOS
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 improper handling of resources during an exceptional situation in the SSH implementation. A remote user 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