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HIGH

CVE-2024-27921

CVSS v3

8.8

HIGH

Score EPSS

8.8 %

probabilité d’exploitation

CISA KEV

Non

exploitation connue

Exploitation

statut SSVC

Description

Grav is an open-source, flat-file content management system. A file upload path traversal vulnerability has been identified in the application prior to version 1.7.45, enabling attackers to replace or create files with extensions like .json, .zip, .css, .gif, etc. This critical security flaw poses severe risks, that can allow attackers to inject arbitrary code on the server, undermine integrity of backup files by overwriting existing files or creating new ones, and exfiltrate sensitive data using CSS exfiltration techniques. Upgrading to patched version 1.7.45 can mitigate the issue.

Détails techniques

Publiée le
2024-03-21

Questions fréquentes

Qu’est-ce que CVE-2024-27921 ?

Grav is an open-source, flat-file content management system. A file upload path traversal vulnerability has been identified in the application prior to version 1.7.45, enabling attackers to replace or create files with extensions like .json, .zip, .css, .gif, etc. This critical security flaw poses severe risks, that can allow attackers to inject arbitrary code on the server, undermine integrity of backup files by overwriting existing files or creating new ones, and exfiltrate sensitive data using CSS exfiltration techniques. Upgrading to patched version 1.7.45 can mitigate the issue.

CVE-2024-27921 est-elle activement exploitée ?

Aucune exploitation active de CVE-2024-27921 n’est confirmée. Le score EPSS est de 8.8 %, soit la probabilité estimée d’exploitation dans les 30 prochains jours.

Quel est le score CVSS de CVE-2024-27921 ?

CVE-2024-27921 a un score de base CVSS v3 de 8.8 (gravité HIGH).

CVE-2024-27921 touche-t-elle votre environnement ?

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