Is CVE-2014-1691 in the CISA KEV catalog?

No. CVE-2014-1691 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-1691?

CVE-2014-1691 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2014-1691?

CVE-2014-1691 has an EPSS score of 42.90% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2014-1691

HIGHEPSS 99th pctl

7.5

CVSS v2

NVD

Description

The framework/Util/lib/Horde/Variables.php script in the Util library in Horde before 5.1.1 allows remote attackers to conduct object injection attacks and execute arbitrary PHP code via a crafted serialized object in the _formvars form.

CWE-94Code Injection

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

42.90%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

http://seclists.org/oss-sec/2014/q1/153
http://seclists.org/oss-sec/2014/q1/156
http://seclists.org/oss-sec/2014/q1/169
http://www.debian.org/security/2014/dsa-2853
https://github.com/horde/horde/blob/82c400788537cfc0106b68447789ff53793ac086/bundles/groupware/docs/CHANGES#L215
https://github.com/horde/horde/commit/da6afc7e9f4e290f782eca9dbca794f772caccb3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.