Improper input validation in Cisco Email Security Appliance Firmware
CVE-2017-3818
A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device, aka a Malformed MIME Header Filtering Bypass. This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco Email Security Appliances, both virtual and hardware appliances, if the software is configured to apply a message filter or content filter to incoming email attachments. More Information: CSCvb65245. Known Affected Releases: 9.7.1-066. Known Fixed Releases: 9.8.0-092.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.022 (81.7th 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 9.7.1-066
- N/a Cisco Asyncos 9.7.1-066 — versions Cisco AsyncOS 9.7.1-066
Weakness classification (CWE)
References
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2017-3818?
- CVE-2017-3818 is a medium-severity vulnerability in Cisco Email Security Appliance Firmware, classified under Improper Input Validation. CVSS score: 5.8/10. Published 2017-02-03.
- How severe is CVE-2017-3818?
- Medium severity. CVSS v3 base score is 5.8 out of 10.