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.
Key facts
- CVSS score
- 7.5 (v3.0)
- Severity
- HIGH
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
- CWE-20
- EPSS score
- 3.0% (87th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2016-7279)
- Published
- October 28, 2016
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2016-7279 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
- cisco / email security appliance
and 6 more…
Certified products that may be affected
2 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Cisco Email Security Appliance v9.1 - Cisco Systems, Inc. - Common Criteria CCEVS-VR-VID-10631-2015 - archived
- IronPort Email Security Appliances (ESA), comprising the C160, C370, X1060, and X1070 appliance models, running IronPort AsyncOS software, version 7.1, and the C670 appliance model running IronPort AsyncOS version 7.3 - Cisco Systems, Inc. - Common Criteria CCEVS-VR-VID-10438-2010 - archived
References
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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