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Unscored Public exploit CVE-2021-41805 EUVD-2021-28810GHSA-crxx-35wq-w63c

HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with t…

Published Dec 12, 2021 · Updated Aug 4, 2024 · Assigned by mitre

Package: consul Ecosystem: Ubuntu

Description

HashiCorp Consul Enterprise before 1.8.17, 1.9.x before 1.9.11, and 1.10.x before 1.10.4 has Incorrect Access Control. An ACL token (with the default operator:write permissions) in one namespace can be used for unintended privilege escalation in a different namespace.

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 22.04 LTS consul No fix yet —
Ubuntu 20.04 LTS consul No fix yet —
Ubuntu 18.04 LTS consul No fix yet —

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 2 repositories

  • blackm4c/CVE-2021-41805 ★ 1 · Dec 7, 2022

    HashiCorp Consul exploit with python. (CVE-2021-41805)

  • acfirthh/CVE-2021-41805 ★ 0 · Jan 7, 2025

    A proof-of-concept for CVE-2021-41805 which is a vulnerability in HashiCorp Consul Enterprise allowing for Remote Code Execution (RCE) with escalated privileges.

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

References