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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (27.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Ilias — versions 8.23, 9.13, 10.1
- Ilias — versions 8.0, 8.1, 8.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- docu.ilias.de/go/blog/15821/882 (related, Release Notes, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
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.