CVE-2020-29007
Severity Score
9.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
3
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
The Score extension through 0.3.0 for MediaWiki has a remote code execution vulnerability due to improper sandboxing of the GNU LilyPond executable. This allows any user with an ability to edit articles (potentially including unauthenticated anonymous users) to execute arbitrary Scheme or shell code by using crafted {{Image data to generate musical scores containing malicious code.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-11-24 CVE Reserved
- 2023-04-15 CVE Published
- 2025-02-01 EPSS Updated
- 2025-02-06 CVE Updated
- 2025-02-06 First Exploit
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-94: Improper Control of Generation of Code ('Code Injection')
CAPEC
References (5)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/seqred-s-a/cve-2020-29007 | 2025-02-06 | |
| https://phabricator.wikimedia.org/T257062 | 2025-02-06 | |
| https://seqred.pl/en/cve-2020-29007-remote-code-execution-in-mediawiki-score | 2025-02-06 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.mediawiki.org/wiki/Extension:Score | 2023-04-26 | |
| https://www.mediawiki.org/wiki/Extension:Score/2021_security_advisory | 2023-04-26 |