Vulnerability Name:

CVE-2020-25869 (CCN-188917)

Assigned:2020-09-27
Published:2020-09-27
Updated:2022-01-06
Summary:An information leak was discovered in MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4. Handling of actor ID does not necessarily use the correct database or correct wiki.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-863
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2020-25869

Source: XF
Type: UNKNOWN
mediawiki-cve202025869-info-disc(188917)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-a4802c53d9

Source: CCN
Type: MediaWiki Mailing List, Thu Sep 24 15:05:38 UTC 2020
[MediaWiki-l] Security and maintenance release: 1.31.9 / 1.34.3

Source: CONFIRM
Type: Mailing List, Vendor Advisory
https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html

Source: MISC
Type: Mailing List, Vendor Advisory
https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html

Source: MISC
Type: Permissions Required, Vendor Advisory
https://phabricator.wikimedia.org/T260485

Source: CCN
Type: MediaWiki Web site
MediaWiki

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2020-25869

Vulnerable Configuration:Configuration 1:
  • cpe:/a:mediawiki:mediawiki:*:*:*:*:*:*:*:* (Version < 1.31.10)
  • OR cpe:/a:mediawiki:mediawiki:*:*:*:*:*:*:*:* (Version >= 1.32.0 and < 1.34.4)

  • Configuration 2:
  • cpe:/o:fedoraproject:fedora:33:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:mediawiki:mediawiki:1.32.1:*:*:*:*:*:*:*
  • OR cpe:/a:mediawiki:mediawiki:1.33.0:-:*:*:*:*:*:*
  • OR cpe:/a:mediawiki:mediawiki:1.31.7:*:*:*:*:*:*:*
  • OR cpe:/a:mediawiki:mediawiki:1.33.3:*:*:*:*:*:*:*
  • OR cpe:/a:mediawiki:mediawiki:1.34.1:*:*:*:*:*:*:*
  • OR cpe:/a:mediawiki:mediawiki:1.34.3:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    mediawiki mediawiki *
    mediawiki mediawiki *
    fedoraproject fedora 33
    mediawiki mediawiki 1.32.1
    mediawiki mediawiki 1.33.0 -
    mediawiki mediawiki 1.31.7
    mediawiki mediawiki 1.33.3
    mediawiki mediawiki 1.34.1
    mediawiki mediawiki 1.34.3