kbrain

CVE-2016-6372

HIGH · CVSS 7.5EPSS 1.6%EU EUVD

A vulnerability in the email message and content filtering for malformed Multipurpose Internet Mail Extensions (MIME) headers of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to bypass the filtering functionality of the targeted device. Emails that should have been quarantined could instead be processed. Affected Products: This vulnerability affects all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco ESA and Cisco WSA on both virtual and hardware appliances that are configured with message or content filters to scan incoming email attachments. More Information: CSCuy54740, CSCuy75174. Known Affected Releases: 9.7.1-066 9.5.0-575 WSA10.0.0-000. 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:H/I:N/A:N
Weakness (CWE)
CWE-20
EPSS score
1.6% (76th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2016-7295)
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-2016-7295 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected 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 / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance
  • cisco / web security appliance

and 27 more…

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain