CVE-2016-6372

mediumpriority · track · 31EPSS 0.016 · 76 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.63% (76th) EPSS

CVSS 5 · medium

Is it mine?

78 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (78)

Products and version ranges known to be affected.

n/a Cisco AsyncOS through WSA10.0.0-000≤ Cisco AsyncOS through WSA10.0.0-000enisa_euvdEU
cisco email security appliance= 8.0.1-023nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.0_basenvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.5.0-000nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.5.0-er1-198nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.5.6-052nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.5.6-073nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.5.6-074nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.5.6-106nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.5.6-113nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.5.7-042nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.6.0nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.6.0-011nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.9.0nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.9.1-000nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 8.9.2-032nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 9.0.0nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 9.0.0-212nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 9.0.0-461nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*
cisco email security appliance= 9.0.5-000nvdUScpe:2.3:a:cisco:email_security_appliance:*:*:*:*:*:*:*:*

showing 20 of 78

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2016-10-28modified 2026-06-17

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references (10)

External citations — patches, advisories, analysis.

scry

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