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-2020-35477

16
FAUCET Score

CVE-2020-35477 is a medium-severity vulnerability affecting MediaWiki versions prior to 1.35.1, specifically impacting the ability to hide log entries under certain configuration and user interaction conditions. The vulnerability, with a CVSS score of 5.3, allows an unauthenticated attacker to cause an unintended redirection to the main page's history submission form instead of the expected revision-deletion form, leading to a loss of integrity. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.35.1CPE matchmatch criteria
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
33CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.51%
Probability of exploitation in next 30 days
EPSS Percentile
71.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0151 is in the 54th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (1)

redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 3.11Fixed in: mediawiki

Vendor Advisories (1)

redhatCVE-2020-35477Low

mediawiki: unable to change visibility of log entries when MediaWiki:Mainpage uses Special:MyLanguage

Dec 18, 2020

References

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/STT5Z4A3BCXVH3WIPICWU2FP4IPIMUPC
lists.wikimedia.org / pipermail/mediawiki-announce/2020-December/000268.html
Mailing ListRelease NotesVendor Advisory
phabricator.wikimedia.org / T205908
ExploitIssue TrackingThird Party Advisory
debian.org / security/2020/dsa-4816
Third Party Advisory