CVE-2022-20773: cisco cisco umbrella insights virtual appliance Use of Hard-coded Cryptographic Key

Vulnerability summary

CVE-2022-20773 is a high (CVSS 7.5) Use of Hard-coded Cryptographic Key vulnerability in cisco cisco umbrella insights virtual appliance. EPSS estimates a 1.18% chance of exploitation in the next 30 days, higher than 67.2% of scored vulnerabilities.

Timeline

1. 21-04-2022
   PublishedVulnerability first disclosed.
2. 06-11-2024
   Last modifiedVulnerability information updated.

Description

A vulnerability in the key-based SSH authentication mechanism of Cisco Umbrella Virtual Appliance (VA) could allow an unauthenticated, remote attacker to impersonate a VA. This vulnerability is due to the presence of a static SSH host key. An attacker could exploit this vulnerability by performing a man-in-the-middle attack on an SSH connection to the Umbrella VA. A successful exploit could allow the attacker to learn the administrator credentials, change configurations, or reload the VA. Note: SSH is not enabled by default on the Umbrella VA.

• CWE-321Use of Hard-coded Cryptographic KeyThe product uses a hard-coded, unchangeable cryptographic key.
• CWE-798Use of Hard-coded CredentialsThe product contains hard-coded credentials, such as a password or cryptographic key.