CVE-2014-1691

high

Published 2014-04-01 · Modified 2026-05-06

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CVSS v3

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CVSS v4 NEW

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not yet in upstream

VIR risk

8.5

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.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Metasploit modules

exploit_unix/webapp/horde_unserialize_exec rank 600

Horde Framework Unserialize PHP Code Execution

Source code queued for fetch — refresh in a moment.

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`2.3.0-1`
debian	bullseye	fixed	`2.3.0-1`
debian	sid	fixed	`2.3.0-1`

Application impact

Vendor	Product	Versions
horde	horde_application_framework	`{"endIncluding":"5.1.0"}`
horde	horde_application_framework	`5.0.0`
horde	horde_application_framework	`5.0.1`
horde	horde_application_framework	`5.0.2`
horde	horde_application_framework	`5.0.3`
horde	horde_application_framework	`5.0.4`

References

CWEs

CWE-94

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.