CVE-2022-20773Use of Hard-coded Cryptographic Key in Cisco Umbrella

Severity
8.1HIGHNVD
CNA7.5
EPSS
0.9%
top 24.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 21
Latest updateApr 22

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:

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.2 | Impact: 5.9

Affected Packages2 packages

🔴Vulnerability Details

2
GHSA
GHSA-wmwq-58jv-2qj3: A vulnerability in the key-based SSH authentication mechanism of Cisco Umbrella Virtual Appliance (VA) could allow an unauthenticated, remote attacker2022-04-22
CVEList
Cisco Umbrella Virtual Appliance Static SSH Host Key Vulnerability2022-04-21

📋Vendor Advisories

1
Cisco
Cisco Umbrella Virtual Appliance Static SSH Host Key Vulnerability2022-04-20
CVE-2022-20773 — Use of Hard-coded Cryptographic Key | cvebase