CVE-2021-44857
CVSS V2 Medium 4
CVSS V3 Medium 6.5
Description
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. It is possible to use action=mcrundo followed by action=mcrrestore to replace the content of any arbitrary page (that the user doesn't have edit rights for). This applies to any public wiki, or a private wiki that has at least one page set in $wgWhitelistRead.
Overview
- CVE ID
- CVE-2021-44857
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-12-17T04:15:39
- Last Modified Date
- 2022-07-12T17:42:04
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | 1 | OR | 1.35.5 | |
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | 1 | OR | 1.36.0 | 1.36.3 |
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | 1 | OR | 1.37.0 | 1.37.1 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4
- Severity
- MEDIUM
- Exploitability Score
- 8
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://www.mediawiki.org/wiki/2021-12_security_release/FAQ | Vendor Advisory |
| https://phabricator.wikimedia.org/T297322 | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-44857 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44857 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:40:27 | Added to TrackCVE | |||
| 2022-12-06 04:15:11 | 2021-12-17T04:15Z | 2021-12-17T04:15:39 | CVE Published Date | updated |
| 2022-12-06 04:15:11 | 2022-07-12T17:42:04 | CVE Modified Date | updated | |
| 2022-12-06 04:15:11 | Analyzed | Vulnerability Status | updated |