Skip to content
OpenAdvisories
Unscored Public exploit CVE-2021-3456 EUVD-2021-26779GHSA-2j5r-64m5-jpx3

An improper authorization handling flaw was found in Foreman. The Salt plugin for the smart-proxy allows foreman clients to execute actions…

Published Mar 30, 2022 · Updated Aug 3, 2024 · Assigned by redhat

Description

An improper authorization handling flaw was found in Foreman. The Salt plugin for the smart-proxy allows foreman clients to execute actions that should be limited to the Foreman Server. This flaw allows an authenticated local attacker to access and delete limited resources and also causes a denial of service on the Foreman server. The highest threat from this vulnerability is to integrity and system availability.

Affected products

VendorProductAffectedFixed
— smart_proxy_salt affecting up to, including smart_proxy_salt 2.1.5 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • mrk336/CVE-2021-3456 ★ 1 · Sep 1, 2025

    A practical chain that starts with an innocuous PDF file and ends up in a reverse shell on an AWS EC2 instance

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References