cve.bz

CVE-2021-31556

9.8 criticalEPSS 1.6%

Critical (9.8). EPSS 1.6% chance of exploitation in the next 30 days.

An issue was discovered in the Oauth extension for MediaWiki through 1.35.2. MWOAuthConsumerSubmitControl.php does not ensure that the length of an RSA key will fit in a MySQL blob.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)
CWE
CWE-1284
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON