CVE-2020-23995

Name: CVE-2020-23995
Creator: NVD / NIST
Published: 2021-05-13T20:15:08.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.55%

Last modified Jun 17, 2026

CVE-2020-23995 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.55%

71.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-209

Affected Software

Vendor	Product	Versions
Ilias	Ilias	< 5.3.19
Ilias	Ilias	>= 5.4.0, < 5.4.12

References

https://cwe.mitre.org/data/definitions/209.htmlTechnical Description
https://docu.ilias.de/goto_docu_pg_118817_35.htmlRelease Notes, Vendor Advisory
https://docu.ilias.de/goto_docu_pg_122177_35.htmlRelease Notes, Vendor Advisory
https://docu.ilias.de/goto_docu_pg_124761_35.htmlRelease Notes, Vendor Advisory
https://github.com/ILIAS-eLearning/ILIAS/commit/94d9b16010ec3abeae8d2cbb05622ccd999119adPatch, Third Party Advisory
https://cwe.mitre.org/data/definitions/209.htmlTechnical Description
https://docu.ilias.de/goto_docu_pg_118817_35.htmlRelease Notes, Vendor Advisory
https://docu.ilias.de/goto_docu_pg_122177_35.htmlRelease Notes, Vendor Advisory
https://docu.ilias.de/goto_docu_pg_124761_35.htmlRelease Notes, Vendor Advisory
https://github.com/ILIAS-eLearning/ILIAS/commit/94d9b16010ec3abeae8d2cbb05622ccd999119adPatch, Third Party Advisory

Timeline

Published: May 13, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-23995?

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.

How severe is CVE-2020-23995?

CVE-2020-23995 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.

How do I fix CVE-2020-23995?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-23995?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST