Auth bypass in MediaWiki
CVE-2019-12468
An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.
Vulnerability class: Broken Authentication
EPSS: 0.034 (87.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mediawiki
- Debian Debian_linux — versions 9.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- 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 (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-12468?
- CVE-2019-12468 is a critical-severity vulnerability in MediaWiki, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2019-07-10.
- How severe is CVE-2019-12468?
- Critical severity. CVSS v3 base score is 9.8 out of 10.