CVE-2022-20773

Cisco Umbrella Virtual Appliance Static SSH Host Key Vulnerability

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.

Categories

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.24% Top 25%
Vendor Advisory cisco.com
Affected: Cisco Cisco Umbrella Insights Virtual Appliance
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-uva-static-key-6RQTRs4c vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-20773?
CVE-2022-20773 has been scored as a high severity vulnerability.
How to fix CVE-2022-20773?
To fix CVE-2022-20773, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-20773 being actively exploited in the wild?
It is possible that CVE-2022-20773 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-20773?
CVE-2022-20773 affects Cisco Cisco Umbrella Insights Virtual Appliance.
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