Deserialization in Ilias

CVE-2025-11345

A flaw has been found in ILIAS up to 8.23/9.13/10.1. Affected by this issue is the function unserialize of the component Test Import. This manipulation causes deserialization. It is possible to initiate the attack remotely. Upgrading to version 8.24, 9.14 and 10.2 can resolve this issue. Upgrading the affected component is advised.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (25.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.

Affected products

  • Ilias — versions 8.23, 9.13, 10.1
  • N/a Ilias — versions 8.0, 8.1, 8.2

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-11345?
CVE-2025-11345 is a medium-severity vulnerability in Ilias, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2025-10-06.
How severe is CVE-2025-11345?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2025-11345 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.