Vulnerability Details CVE-2022-20773
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.012
EPSS Ranking 78.3%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 6.8
References
Products affected by CVE-2022-20773
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cpe:2.3:a:cisco:umbrella:-
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cpe:2.3:a:cisco:umbrella:003.003(000)
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cpe:2.3:a:cisco:umbrella:2.0.3
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cpe:2.3:a:cisco:umbrella:3.2.0
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cpe:2.3:a:cisco:umbrella:3.3.0