CVE-2016-6357

Name: CVE-2016-6357
Creator: NVD / NIST
Published: 2016-10-28T10:59:07.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.42%

Last modified Jun 17, 2026

CVE-2016-6357 is a vulnerability of currently unknown severity. A vulnerability in the configured security policies, including drop email filtering, in Cisco AsyncOS for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass a configured drop filter by using an email with a corrupted attachment. More Information: CSCuz01651. EPSS estimates a 2.42% chance of exploitation in the next 30 days.

Description

A vulnerability in the configured security policies, including drop email filtering, in Cisco AsyncOS for Cisco Email Security Appliance (ESA) could allow an unauthenticated, remote attacker to bypass a configured drop filter by using an email with a corrupted attachment. More Information: CSCuz01651. Known Affected Releases: 10.0.9-015 9.7.1-066 9.9.6-026.

Metrics

EPSS Probability

2.42%

82.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-388

Affected Software

Vendor	Product	Versions
Cisco	Email Security Appliance	9.7.1-066
Cisco	Email Security Appliance	9.9.6-026

References

Timeline

Published: Oct 28, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-6357?

How severe is CVE-2016-6357?

Severity scoring for CVE-2016-6357 is pending analysis. The EPSS model estimates a 2.42% probability of exploitation in the next 30 days.

How do I fix CVE-2016-6357?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-6357?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST