Medium severity · published Mar 17, 2017
CVE-2017-3870
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…
5.8
CVSS
1.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WS
Web Security Appliance · Cisco
8.5.3-069; 9.1.1-074; 9.1.2-010 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-3870
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-3870
Third Party Advisory
http://www.securityfocus.com/bid/96907
www.securitytracker.com
http://www.securitytracker.com/id/1038043
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-wsa
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