CVE-2022-20773
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Cisco Umbrella Virtual Appliance
PublishedApr 21, 2022
First seenApr 21, 2022
Weakness typeCWE-321CWE-321
How to fix
Update
- cisco umbrella_virtual_appliance3.3.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco umbrella_virtual_appliance | v < 3.3.2 | 3.3.2 |
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