What is CVE-2021-36127?

CVE-2021-36127 is a medium-severity vulnerability in Mediawiki, classified under CWE-922. CVSS score: 4.3/10. Published 2021-07-02.

How severe is CVE-2021-36127?

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

Vulnerability in Mediawiki

CVE-2021-36127

An issue was discovered in the CentralAuth extension in MediaWiki through 1.36. The Special:GlobalUserRights page provided search results which, for a suppressed MediaWiki user, were different than for any other user, thus easily disclosing suppressed accounts (which are supposed to be completely hidden).

EPSS: 0.007 (51.0th percentile) — read the EPSS interpretation.

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:L/I:N/A:N.

Affected products

Mediawiki
N/a — versions n/a

Weakness classification (CWE)

CWE-922

References

cve@mitre.org (Exploit, Patch, x_refsource_MISC, Issue Tracking, Vendor Advisory)
cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-36127?: CVE-2021-36127 is a medium-severity vulnerability in Mediawiki, classified under CWE-922. CVSS score: 4.3/10. Published 2021-07-02.
How severe is CVE-2021-36127?: Medium severity. CVSS v3 base score is 4.3 out of 10.