CVE-2025-11345: ilias Input Validation Flaw — Fix

Description

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.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-20 Improper Input Validation

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
ilias	ilias	All
ilias	ilias	All
ilias	ilias	All

References

Advisories & Patches

https://docu.ilias.de/go/blog/15821/882

Other References

https://vuldb.com/?ctiid.327230 https://vuldb.com/?id.327230 https://vuldb.com/?submit.664891 https://srlabs.de/blog/breaking-ilias-part-2-three-to-rce

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-11345? +

CVE-2025-11345 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-11345? +

CVE-2025-11345 affects products from ilias, specifically: ilias. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-11345? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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