Deserialization in Ilias
CVE-2025-11346
A vulnerability has been found in ILIAS up to 8.23/9.13/10.1. This affects the function unserialize of the component Base64 Decoding Handler. Such manipulation of the argument f_settings leads to deserialization. It is possible to launch the attack remotely. Upgrading to version 8.24, 9.14 and 10.2 is able to mitigate this issue. It is advisable to upgrade the affected component.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (36.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.0% 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)
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)
- wid.cert-bund.de/portal/wid/securityadvisory (Third Party Advisory, government-resource)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2025-11346?
- CVE-2025-11346 is a medium-severity vulnerability in Ilias, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2025-10-06.
- How severe is CVE-2025-11346?
- Medium severity. CVSS v3 base score is 6.3 out of 10.