CVE-2017-3827
MEDIUMCisco AsyncOS < - Auth Bypass
Title source: llmDescription
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.
References (4)
Scores
CVSS v3
5.8
EPSS
0.0036
EPSS Percentile
57.9%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Classification
CWE
CWE-20
Status
published
Affected Products (13)
cisco/web_security_appliance
cisco/web_security_appliance
cisco/web_security_appliance
cisco/web_security_appliance
cisco/web_security_appliance
cisco/email_security_appliance_firmware
cisco/email_security_appliance_firmware
cisco/email_security_appliance_firmware
cisco/email_security_appliance_firmware
cisco/email_security_appliance_firmware
cisco/email_security_appliance_firmware
cisco/email_security_appliance_firmware
n/a/Cisco AsyncOS Software for Cisco ESA and Cisco WSA
< Cisco AsyncOS Software for Cisco ESA and Cisco WSA
Timeline
Published
Feb 22, 2017
Tracked Since
Feb 18, 2026