Vulnerability Details CVE-2020-3246
A vulnerability in the web server of Cisco Umbrella could allow an unauthenticated, remote attacker to perform a carriage return line feed (CRLF) injection attack against a user of an affected service. The vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user to access a crafted URL. A successful exploit could allow the attacker to inject arbitrary HTTP headers into valid HTTP responses sent to the browser of the user.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 37.7%
CVSS Severity
CVSS v3 Score 4.7
CVSS v2 Score 4.3
References
Products affected by CVE-2020-3246
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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
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cpe:2.3:a:cisco:umbrella:3.3.2