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Medium severity5.8NVD Advisory· Published Feb 22, 2017· Updated Jun 17, 2026

CVE-2017-3827

CVE-2017-3827

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

12
  • Cisco Systems, Inc./Web Security Appliance5 versions
    cpe:2.3:a:cisco:web_security_appliance:10.0.0-082:*:*:*:*:*:*:*+ 4 more
    • cpe:2.3:a:cisco:web_security_appliance:10.0.0-082:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:web_security_appliance:10.0.0-124:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:web_security_appliance:10.0.0-125:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:web_security_appliance:10.0.0-203:*:*:*:*:*:*:*
    • cpe:2.3:a:cisco:web_security_appliance:10.0.0-232:*:*:*:*:*:*:*
  • Cisco Systems, Inc./Email Security Appliance Firmware7 versions
    cpe:2.3:o:cisco:email_security_appliance_firmware:10.0.0-082:*:*:*:*:*:*:*+ 6 more
    • cpe:2.3:o:cisco:email_security_appliance_firmware:10.0.0-082:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:email_security_appliance_firmware:10.0.0-124:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:email_security_appliance_firmware:10.0.0-125:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:email_security_appliance_firmware:10.0.0-203:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:email_security_appliance_firmware:10.0.0-232:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:email_security_appliance_firmware:9.9.6-026:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:email_security_appliance_firmware:9.9.9-894:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

4

News mentions

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