Improper input validation in Cisco Email Security Appliance
CVE-2016-6356
A vulnerability in the email message filtering feature of Cisco AsyncOS Software for Cisco Email Security Appliances could allow an unauthenticated, remote attacker to cause an affected device to stop scanning and forwarding email messages due to a denial of service (DoS) condition. Affected Products: 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. The vulnerability is not limited to any specific rules or actions for a message filter or content filter. More Information: CSCuz63143. Known Affected Releases: 8.5.7-042 9.7.0-125. Known Fixed Releases: 10.0.0-125 9.1.1-038 9.7.2-047.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.030 (86.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Cisco Email_security_appliance — versions 3.3.1-09, 7.1.0, 7.1.1
- N/a Cisco Asyncos Through 9.7.0-125 — versions Cisco AsyncOS through 9.7.0-125
Weakness classification (CWE)
References
- psirt@cisco.com (vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@cisco.com (vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2016-6356?
- CVE-2016-6356 is a high-severity vulnerability in Cisco Email Security Appliance, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-10-28.
- How severe is CVE-2016-6356?
- High severity. CVSS v3 base score is 7.5 out of 10.