CVE-2020-25869
HIGH
7.5
CVSS Score
Published: September 27, 2020 at 08:40 PM UTC
Updated: June 17, 2026 at 03:07 AM UTC
2 products affected across 2 vendorsFedoraMediaWiki
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
v < 1.31.101.32.0 ≤ v < 1.34.4
Affected range stops below 1.31.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.34.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/
- https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html
- https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html
- https://phabricator.wikimedia.org/T260485
References (4)
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6/x_refsource_CONFIRMMailing ListVendor Advisory
Source: [email protected]
https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.htmlx_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.htmlx_refsource_MISCPermissions RequiredVendor Advisory
Source: [email protected]
https://phabricator.wikimedia.org/T260485CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- NONE
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-863
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