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In MediaWiki before 1.31.8, 1.32.x and 1.33.x before 1.33.4, and 1.34.x before 1.34.2, private wikis behind a caching server using the img_auth.php image authorization security feature may have had their files cached publicly, so any unauthorized user could view them. This occurs because Cache-Control and Vary headers were mishandled.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
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Victim must voluntarily interact with attack mechanism
Added
CVSS V3.1
NIST AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Removed
CVSS V3.1
NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Initial Analysis by NIST7/06/2020 11:14:04 AM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* versions up to (excluding) 1.31.8
*cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* versions from (including) 1.32.0 up to (excluding) 1.33.4
*cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* versions from (including) 1.34 up to (excluding) 1.34.2
Added
CPE Configuration
OR
*cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
Added
CVSS V2
NIST (AV:N/AC:L/Au:S/C:P/I:N/A:N)
Added
CVSS V3.1
NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Added
CWE
NIST CWE-200
Changed
Reference Type
https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/REL1_31/RELEASE-NOTES-1.31 No Types Assigned
In MediaWiki before 1.31.8, 1.32.x and 1.33.x before 1.33.4, and 1.34.x before 1.34.2, private wikis behind a caching server using the img_auth.php image authorization security feature may have had their files cached publicly, so any unauthorized user could view them.
In MediaWiki before 1.31.8, 1.32.x and 1.33.x before 1.33.4, and 1.34.x before 1.34.2, private wikis behind a caching server using the img_auth.php image authorization security feature may have had their files cached publicly, so any unauthorized user could view them. This occurs because Cache-Control and Vary headers were mishandled.
) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.
