What is CVE-2022-31266?

CVE-2022-31266 is a medium-severity vulnerability in Ilias, classified under Missing Authentication for Critical Function. CVSS score: 4.3/10. Published 2022-06-29.

How severe is CVE-2022-31266?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Ilias

CVE-2022-31266

In ILIAS through 7.10, lack of verification when changing an email address (on the Profile Page) allows remote attackers to take over accounts.

Vulnerability class: Broken Authentication

Published 2022-06-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.2th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000

Affected products

Ilias

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

www.bcksec.com/services/ (Not Applicable)
medium.com/@bcksec/in-ilias-through-7-10-620c0de685ee (Third Party Advisory)

Frequently asked questions

What is CVE-2022-31266?: CVE-2022-31266 is a medium-severity vulnerability in Ilias, classified under Missing Authentication for Critical Function. CVSS score: 4.3/10. Published 2022-06-29.
How severe is CVE-2022-31266?: Medium severity. CVSS v3 base score is 4.3 out of 10.