Auth bypass in Mediawiki
CVE-2019-16738
In MediaWiki through 1.33.0, Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup.
Vulnerability class: Broken Access Control
EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Mediawiki
- Debian Debian_linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 30, 31
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory, Broken Link)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ, Mailing List, Third Party Advisory)
- cve@mitre.org (x_refsource_FEDORA, vendor-advisory, Broken Link)
Frequently asked questions
- What is CVE-2019-16738?
- CVE-2019-16738 is a medium-severity vulnerability in Mediawiki, classified under Missing Authorization. CVSS score: 5.3/10. Published 2019-09-26.
- How severe is CVE-2019-16738?
- Medium severity. CVSS v3 base score is 5.3 out of 10.