CVE-2017-3870
MEDIUMCisco Web Security Appliance - URL Filter Bypass via Email Scanning
Title source: llmDescription
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.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-wsa
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/96907
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1038043
Scores
CVSS v3
5.8
EPSS
0.0152
EPSS Percentile
71.6%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Details
CWE
CWE-119
Status
published
Products (4)
cisco/web_security_appliance
8.5.3-069
cisco/web_security_appliance
9.1.1-074
cisco/web_security_appliance
9.1.2-010
n/a/Cisco Web Security Appliance
Cisco Web Security Appliance
Published
Mar 17, 2017
Tracked Since
Feb 18, 2026