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CVE-2021-29440 Detail

Description

Grav is a file based Web-platform. Twig processing of static pages can be enabled in the front matter by any administrative user allowed to create or edit pages. As the Twig processor runs unsandboxed, this behavior can be used to gain arbitrary code execution and elevate privileges on the instance. The issue was addressed in version 1.7.11.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://packetstormsecurity.com/files/162987/Grav-CMS-1.7.10-Server-Side-Template-Injection.html Exploit  Third Party Advisory  VDB Entry 
https://blog.sonarsource.com/grav-cms-code-execution-vulnerabilities Exploit  Third Party Advisory 
https://github.com/getgrav/grav/security/advisories/GHSA-g8r4-p96j-xfxc Third Party Advisory 
https://packagist.org/packages/getgrav/grav Product  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-94 Improper Control of Generation of Code ('Code Injection') GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-29440
NVD Published Date:
04/13/2021
NVD Last Modified:
11/08/2022
Source:
GitHub, Inc.