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Emerging threatsHigh

CVE-2014-1691Horde Application Framework Code Injection

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.

Published Apr 1, 2014 · Updated Aug 11, 2026 · Also known as DEBIAN-CVE-2014-1691, DSA-2853-1, UBUNTU-CVE-2014-1691

Key Facts

Patch immediately
  • CVE-2014-1691 is a high-severity vulnerability (CVSS 7.5 v2) affecting Horde Application Framework, horde3 (debian), php-horde-util (debian).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 43% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Horde Application Framework 5.1.0, horde3 3.3.8+debian0-3, php-horde-util 2.3.0-1.
  • Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v2

7.5

AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS (30-day exploit likelihood)

43%

Higher than 98.7% of all scored CVEs

Exploit maturity

Weaponized

ATLAS score

60/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Weaponized

Public exploit code

2

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

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.

Affected Products

14 affected entries in total
ProductAffected versionsFixed in
Horde Application FrameworkHorde5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.45.1.0
horde3debianSee advisory3.3.8+debian0-3
php-horde-utildebianSee advisory2.3.0-1

Patched Releases

Horde Application Framework

5.1.0

horde3

3.3.8+debian0-3

php-horde-util

2.3.0-1

Timeline

  1. Publicly disclosed

    Apr 1, 2014

  2. Last updated

    Aug 11, 2026

Weakness Type

  • CWE-94 Improper Control of Generation of Code ('Code Injection')

FAQ

Common Questions.

Is CVE-2014-1691 On Your Attack Surface?

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Figures as of Oct 20, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

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