Improper input validation in Cisco Email Security Appliance Firmware
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) 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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.019 (78.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N.
Affected products
- Cisco Email_security_appliance_firmware — versions 9.9.6-026, 9.9.9-894, 10.0.0-082
- Cisco Web_security_appliance — versions 10.0.0-082, 10.0.0-124, 10.0.0-125
- N/a Cisco Asyncos Software For Esa And Wsa — versions Cisco AsyncOS Software for Cisco ESA and Cisco WSA
Weakness classification (CWE)
References
- psirt@cisco.com (vdb-entry, x_refsource_BID)
- psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-3827?
- CVE-2017-3827 is a medium-severity vulnerability in Cisco Email Security Appliance Firmware, classified under Improper Input Validation. CVSS score: 5.8/10. Published 2017-02-22.
- How severe is CVE-2017-3827?
- Medium severity. CVSS v3 base score is 5.8 out of 10.