CVE-2021-47812
CRITICALGravCMS 1.10.7 - Unauthenticated Arbitrary YAML Write and PHP Execution via Scheduler Endpoint
Title source: llmExploitation Summary
EIP tracks 1 public exploit for CVE-2021-47812. PoCs published by legend.
AI-analyzed exploit summary This exploit targets GravCMS 1.10.7 by leveraging an unauthenticated arbitrary YAML write vulnerability to achieve remote code execution (RCE). It uses a crafted scheduler task to execute a base64-encoded reverse shell payload via PHP's `eval` function.
Description
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.
Exploits (1)
This exploit targets GravCMS 1.10.7 by leveraging an unauthenticated arbitrary YAML write vulnerability to achieve remote code execution (RCE). It uses a crafted scheduler task to execute a base64-encoded reverse shell payload via PHP's `eval` function.
References (3)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H