High severity · published Sep 27, 2020
CVE-2020-25869
An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4
7.5
CVSS
1.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
33 · source: NVD
ME
Mediawiki · Mediawiki
before 1.31.10; 1.32.0 before 1.34.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-25869
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-25869
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/
Mailing List
https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html
Mailing List
https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html
Permissions Required
https://phabricator.wikimedia.org/T260485
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