CVE-2021-47812

CRITICAL

9.8

Beschreibung

GravCMS 1.10.7 contains an unauthenticated vulnerability that allows remote attackers to write arbitrary YAML configuration and execute PHP code through the scheduler endpoint. Attackers can exploit the admin-nonce parameter to inject base64-encoded payloads and create malicious custom jobs with system command execution.

CVE Details

CVSS v3.1 Bewertung9.8

SchweregradCRITICAL

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht1/16/2026

Zuletzt geandert2/2/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

getgrav:grav

Schwachen (CWE)

CWE-862

Referenzen

https://getgrav.org(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49973(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/gravcms-arbitrary-yaml-writeupdate-unauthenticated(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/49973(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Korrelationen

Keine Korrelationen erfasst

This product uses data from the NVD API but is not endorsed or certified by the NVD.