CVE-2021-3282 Improper Authentication in HashiCorp Vault

What is CVE-2021-3282?

CVE-2021-3282 is a high-severity authentication bypass vulnerability in Hashicorp Vault, published on 1 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HashiCorp Vault Enterprise 1.6.0 & 1.6.1 allowed the `remove-peer` raft operator command to be executed against DR secondaries without authentication. Fixed in 1.6.2.

Weakness: CWE-287

Which versions are affected by CVE-2021-3282?

4 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-2021-3282?

Upgrade github.com/hashicorp/vault to 1.6.2 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-3282 being exploited?

There is no known exploitation of CVE-2021-3282 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-2021-3282, GHSA-rq95-xf66-j689, GO-2024-2509.