CVE-2021-30155

Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 09 Apr 2021, 06:09
Last modified:03 Aug 2024, 22:24

Vulnerability Summary

Overall Risk (default)
medium
27/100
CVSS Score
4.3 MEDIUM
v3.1 (nvd)
EPSS Score
0.32% LOW
0% probability -0.13%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

09 Apr 2021, 06:09
Published
Vulnerability first disclosed
03 Aug 2024, 22:24
Last Modified
Vulnerability information updated

Description

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. ContentModelChange does not check if a user has correct permissions to create and set the content model of a nonexistent page.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
  • v2.0•MEDIUM•Score: 4AV:N/AC:L/Au:S/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 0.32%• Percentile: 55%

Techniques & Countermeasures

  • CWE-862•Missing Authorization

    The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Affected Systems

  • debian•debian_linux

    9.0 | 10.0

  • fedoraproject•fedora

    33 | 34

  • mediawiki•mediawiki

    < 1.31.12 | ≥ 1.32.0, < 1.35.2

References (7)