CVE Catalog

CVE-2022-20920

High
Published: Translated: NVD NIST

Summary

A vulnerability in the SSH implementation of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. This issue is due to improper handling of resources during an exceptional situation.

Risk Assessment

An attacker could exploit this vulnerability to disrupt the operation of the device, potentially leading to service availability interruptions within the organization.

Recommendation

It is recommended to update Cisco software to the latest version to mitigate this vulnerability and to monitor SSH logs for suspicious activities.

Related vulnerabilities

Original NVD description (English source)

A vulnerability in the SSH implementation of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. This vulnerability is due to improper handling of resources during an exceptional situation. An attacker could exploit this vulnerability by continuously connecting to an affected device and sending specific SSH requests. A successful exploit could allow the attacker to cause the affected device to reload.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS