CVE-2020-25869 json
An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4.
published 2020-09-27 6 y ago modified 2026-06-17 4 mo ago also BIT-mediawiki-2020-25869 , EUVD-2020-18501
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. Handling of actor ID does not necessarily use the correct database or correct wiki.
Patch / fix
- bitnami mediawiki 1.31.10, 1.34.4
- mediawiki mediawiki 1.31.10, 1.34.4
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2020-25869 updated cvss 7.5
mediawiki: handling of actor ID does not necessarily use the correct database or correct wiki leads to information disclosure
-
Red Hat OpenShift Container Platform 3.11 mediawiki Red Hat OpenShift Container Platform 4 mediawikinot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | mediawiki | <1.31.10 >=1.32.0, <1.34.4 |
1.31.10 1.34.4 |
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/
vendor-advisory, web
-
phabricator.wikimedia.org
/T260485
permissions-required, vendor-advisory, web
-
lists.wikimedia.org
/pipermail/mediawiki-l/2020-September/048480.html
mailing-list, vendor-advisory, web
-
lists.wikimedia.org
/pipermail/mediawiki-l/2020-September/048488.html
mailing-list, vendor-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2020-25869
web
Sources
- CVE List CVE-2020-25869
- NVD CVE-2020-25869
- OSV BIT-mediawiki-2020-25869
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.