CVE-2020-23995

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-13 · updated 2026-06-17
Weakness: CWE-209

Description

An information disclosure vulnerability in ILIAS before 5.3.19, 5.4.12 and 6.0 allows remote authenticated attackers to get the upload data path via a workspace upload.

Affected products

ILIAS: before 5.3.19; from 5.4.0 before 5.4.12 — fixed in 5.3.19, 5.4.12

How to fix

Upgrade to a fixed version: ILIAS 5.3.19, 5.4.12. Check the vendor advisory for mitigations.

References

https://cwe.mitre.org/data/definitions/209.html
https://docu.ilias.de/goto_docu_pg_118817_35.html
https://docu.ilias.de/goto_docu_pg_122177_35.html
https://docu.ilias.de/goto_docu_pg_124761_35.html
https://github.com/ILIAS-eLearning/ILIAS/commit/94d9b16010ec3abeae8d2cbb05622ccd999119ad
https://cwe.mitre.org/data/definitions/209.html
https://docu.ilias.de/goto_docu_pg_118817_35.html
https://docu.ilias.de/goto_docu_pg_122177_35.html
https://docu.ilias.de/goto_docu_pg_124761_35.html
https://github.com/ILIAS-eLearning/ILIAS/commit/94d9b16010ec3abeae8d2cbb05622ccd999119ad

Get alerted when CVE-2020-23995 or the next vulnerability affects your stack