Medium severity · published Feb 22, 2017
CVE-2017-3827
A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA)…
5.8
CVSS
1.9%
EPSS
No
On KEV
Description
A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco ESA and Cisco WSA, both virtual and hardware appliances, that are configured with message or content filters to scan incoming email attachments on the ESA or services scanning content of web access on the WSA. More Information: SCvb91473, CSCvc76500. Known Affected Releases: 10.0.0-203 9.9.9-894 WSA10.0.0-233.
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)1.9% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Email Security Appliance Firmware · Cisco
9.9.6-026; 9.9.9-894; 10.0.0-082; 10.0.0-124; 10.0.0-125; 10.0.0-203; +1 more · source: NVD
WS
Web Security Appliance · Cisco
10.0.0-082; 10.0.0-124; 10.0.0-125; 10.0.0-203; 10.0.0-232 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-3827
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-3827
www.securityfocus.com
http://www.securityfocus.com/bid/96239
www.securitytracker.com
http://www.securitytracker.com/id/1037831
www.securitytracker.com
http://www.securitytracker.com/id/1037832
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170215-asyncos
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