Executive Summary

Informations
Name CVE-2021-30156 First vendor Publication 2021-04-09
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Overall CVSS Score 4.3
Base Score 4.3 Environmental Score 4.3
impact SubScore 1.4 Temporal Score 4.3
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact Low Availability Impact None
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:S/C:N/I:P/A:N)
Cvss Base Score 4 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Special:Contributions can leak that a "hidden" user exists.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30156

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-200 Information Exposure

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 321
Os 2

Sources (Detail)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedora...
Source Url
MISC https://phabricator.wikimedia.org/T276306

Alert History

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Date Informations
2023-11-07 21:35:15
  • Multiple Updates
2022-07-13 17:27:48
  • Multiple Updates
2021-05-04 14:10:07
  • Multiple Updates
2021-05-04 13:25:45
  • Multiple Updates
2021-05-04 05:22:51
  • Multiple Updates
2021-04-25 05:22:45
  • Multiple Updates
2021-04-22 09:22:47
  • Multiple Updates
2021-04-22 00:23:16
  • Multiple Updates
2021-04-13 21:23:19
  • Multiple Updates
2021-04-09 17:23:29
  • Multiple Updates
2021-04-09 13:23:01
  • First insertion