CVE-2025-11346: ilias Input Validation Flaw (CVSS 6.3)

Description

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.

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CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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

Other References

https://vuldb.com/?ctiid.327231 https://vuldb.com/?id.327231 https://vuldb.com/?submit.664892 https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2113 https://srlabs.de/blog/breaking-ilias-part-2-three-to-rce

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-11346? +

CVE-2025-11346 has a CVSS v3.1 score of 6.3 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-2025-11346? +

CVE-2025-11346 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-2025-11346? +

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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