What’s Vulnerable › Vulnerabilities

CVE-2017-3870

• Severity: medium (CVSS 5.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-17 · updated 2026-06-17
• Weakness: CWE-119

Description

A vulnerability in the URL filtering feature of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA) could allow an unauthenticated, remote attacker to bypass a configured URL filter rule. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Web Security Appliance (WSA), both virtual and hardware appliances, that are configured with URL filters for email scanning. More Information: CSCvc69700. Known Affected Releases: 8.5.3-069 9.1.1-074 9.1.2-010.

Affected products

• Cisco Web Security Appliance (WSA): 8.5.3-069, 9.1.1-074, 9.1.2-010

References

• http://www.securityfocus.com/bid/96907
• http://www.securitytracker.com/id/1038043
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-wsa
• http://www.securityfocus.com/bid/96907
• http://www.securitytracker.com/id/1038043
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-wsa

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