CVE-2014-8016

Name: CVE-2014-8016
Creator: NVD / NIST
Published: 2014-12-19T02:59:04.813+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.23%

Last modified Jun 17, 2026

CVE-2014-8016 is a vulnerability of currently unknown severity. The Cisco IronPort Email Security Appliance (ESA) allows remote attackers to cause a denial of service (CPU consumption) via long Subject headers in e-mail messages, aka Bug ID CSCzv93864.. EPSS estimates a 1.23% chance of exploitation in the next 30 days.

Description

The Cisco IronPort Email Security Appliance (ESA) allows remote attackers to cause a denial of service (CPU consumption) via long Subject headers in e-mail messages, aka Bug ID CSCzv93864.

Metrics

EPSS Probability

1.23%

65.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Cisco	Ironport Email Security Appliances	All versions

References

http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-8016Vendor Advisory
http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-8016Vendor Advisory

Timeline

Published: Dec 19, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-8016?

The Cisco IronPort Email Security Appliance (ESA) allows remote attackers to cause a denial of service (CPU consumption) via long Subject headers in e-mail messages, aka Bug ID CSCzv93864.

How severe is CVE-2014-8016?

Severity scoring for CVE-2014-8016 is pending analysis. The EPSS model estimates a 1.23% probability of exploitation in the next 30 days.

How do I fix CVE-2014-8016?

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-2014-8016?

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

Scan your code now

Source: NVD / NIST