CVE-2014-8016

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-12-19 · updated 2026-06-17
Weakness: CWE-399

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.

Affected products

Cisco Ironport Email Security Appliances: all versions

References

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

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