Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-15005

17
FAUCET Score

CVE-2020-15005 describes a vulnerability in MediaWiki versions before 1.31.8, 1.33.4, and 1.34.2, where private wiki files protected by img_auth.php could be publicly cached by a caching server due to mishandled Cache-Control and Vary headers. This could lead to unauthorized disclosure of sensitive information. The vulnerability has a CVSSv3.1 score of 3.1 (LOW), indicating a network-based attack with high attack complexity, requiring user interaction, and resulting in low confidentiality impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.31.8CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
>= 1.32.0, < 1.33.4CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
>= 1.34, < 1.34.2CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
32CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.1LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.30%
Probability of exploitation in next 30 days
EPSS Percentile
67.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0130 is in the 80th percentile among its peer group of 233 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

composerpatch availablevia ghsa
Product: mediawiki/coreFixed in: 1.31.8
composerpatch availablevia ghsa
Product: mediawiki/coreFixed in: 1.33.4
composerpatch availablevia ghsa
Product: mediawiki/coreFixed in: 1.34.2
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: mediawiki
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: mediawiki

Vendor Advisories (2)

composerGHSA-xpv7-93cm-4mxvmedium

img_auth.php may leak private extension images into the public cache

May 24, 2022
redhatCVE-2020-15005Low

mediawiki: possible leak of private extension images into public cache

Jun 24, 2020

References

gerrit.wikimedia.org / r/plugins/gitiles/mediawiki/core/+/REL1_31/RELEASE-NOTES-1.31
Release NotesVendor Advisory
gerrit.wikimedia.org / r/plugins/gitiles/mediawiki/core/+/REL1_33/RELEASE-NOTES-1.33
Release NotesVendor Advisory
gerrit.wikimedia.org / r/plugins/gitiles/mediawiki/core/+/REL1_34/RELEASE-NOTES-1.34
Release NotesVendor Advisory
lists.debian.org / debian-lts-announce/2020/12/msg00034.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/EEZIMLJMJS72SJXPYL736XMUAVCRQD2H
lists.wikimedia.org / pipermail/wikitech-l/2020-June/093535.html
Mailing ListRelease NotesVendor Advisory
phabricator.wikimedia.org / T248947
PatchVendor Advisory
debian.org / security/2020/dsa-4767
Third Party Advisory