Vulnerability Details CVE-2019-1886
A vulnerability in the HTTPS decryption feature of Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient validation of Secure Sockets Layer (SSL) server certificates. An attacker could exploit this vulnerability by installing a malformed certificate in a web server and sending a request to it through the Cisco WSA. A successful exploit could allow the attacker to cause an unexpected restart of the proxy process on an affected device.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 62.3%
CVSS Severity
CVSS v3 Score 8.6
CVSS v2 Score 5.0
References
Products affected by CVE-2019-1886
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cpe:2.3:a:cisco:web_security_appliance:10.5.2-072
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cpe:2.3:a:cisco:web_security_appliance:10.5.3-025
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cpe:2.3:a:cisco:web_security_appliance:11.7.0-fcs-334
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cpe:2.3:o:cisco:asyncos:10.5
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cpe:2.3:o:cisco:asyncos:10.5.1-296
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cpe:2.3:o:cisco:asyncos:11.5