CVE-2015-4278

Name: CVE-2015-4278
Creator: NVD / NIST
Published: 2015-07-16T19:59:03.757+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.53%

Last modified Jun 17, 2026

CVE-2015-4278 is a vulnerability of currently unknown severity. Cisco Email Security Appliance (ESA) devices with software 8.5.6-106 and 9.5.0-201 allow remote attackers to cause a denial of service (per-domain e-mail reception outage) by placing malformed DMARC policy data in DNS TXT records for a domain, aka Bug ID CSCuv14806.. EPSS estimates a 1.53% chance of exploitation in the next 30 days.

Description

Cisco Email Security Appliance (ESA) devices with software 8.5.6-106 and 9.5.0-201 allow remote attackers to cause a denial of service (per-domain e-mail reception outage) by placing malformed DMARC policy data in DNS TXT records for a domain, aka Bug ID CSCuv14806.

Metrics

EPSS Probability

1.53%

71.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Cisco	Email Security Appliance Firmware	8.5.6-106
Cisco	Email Security Appliance Firmware	9.5.0-201

References

Timeline

Published: Jul 16, 2015
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2015-4278?

How severe is CVE-2015-4278?

Severity scoring for CVE-2015-4278 is pending analysis. The EPSS model estimates a 1.53% probability of exploitation in the next 30 days.

How do I fix CVE-2015-4278?

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-2015-4278?

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

Scan your code now

Source: NVD / NIST