CVE-2021-41802 Hashicorp Vault Privilege Escalation Vulnerability

What is CVE-2021-41802?

CVE-2021-41802 is a low-severity vulnerability in Hashicorp Vault, published on 8 Oct 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

HashiCorp Vault and Vault Enterprise through 1.7.4 and 1.8.3 allowed a user with write permission to an entity alias ID sharing a mount accessor with another user to acquire this other user’s policies by merging their identities. Fixed in Vault and Vault Enterprise 1.7.5 and 1.8.4.

Weakness: CWE-732

Which versions are affected by CVE-2021-41802?

6 open source packages ship an affected version, including github.com/hashicorp/vault and vault. It affects 1 product.

Products include Hashicorp Vault.

How do I fix CVE-2021-41802?

Upgrade github.com/hashicorp/vault to a fixed version for your release line: 1.7.5 or 1.8.4.

Is CVE-2021-41802 being exploited?

There is no known exploitation of CVE-2021-41802 in the wild and no public exploit code.

Other vulnerabilities in Hashicorp Vault

• CVE-2020-35192 Hardcoded credentials in n/a Critical 9.8
• CVE-2020-12757 Improper Input Validation in HashiCorp Vault Critical 9.8
• CVE-2025-6000 Arbitrary Remote Code Execution via Plugin Catalog Abuse Critical 9.1
• CVE-2022-40186 HashiCorp Vault vulnerable to incorrect metadata access Critical 9.1
• CVE-2022-36129 Missing authorization in n/a Critical 9.1

All Hashicorp Vault vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-vault-2021-41802, GHSA-qv95-g3gm-x542, GO-2022-0618.