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.
References (5)
Core 5
Core References
Various Sources
https://srlabs.de/blog/breaking-ilias-part-2-three-to-rce
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.327231
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.327231
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.664892
Third Party Advisory government-resource
https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2113
Scores
CVSS v3
6.3
EPSS
0.0040
EPSS Percentile
31.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-20
CWE-502
Status
published
Products (3)
ilias/ilias
8.23
ilias/ilias
9.13
ilias/ilias
10.1
Published
Oct 06, 2025
Tracked Since
Feb 18, 2026