Auth bypass in Moodle

CVE-2018-1082

A flaw was found in Moodle 3.4 to 3.4.1, and 3.3 to 3.3.4. If a user account using OAuth2 authentication method was once confirmed but later suspended, the user could still login to the site.

EPSS: 0.021 (80.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-1082?
CVE-2018-1082 is a high-severity vulnerability in Moodle, classified under Improper Authorization. CVSS score: 8.1/10. Published 2018-04-04.
How severe is CVE-2018-1082?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2018-1082 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.