CVE-2021-3024 Information disclosure in n/a

What is CVE-2021-3024?

CVE-2021-3024 is a medium-severity 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 and Vault Enterprise disclosed the internal IP address of the Vault node when responding to some invalid, unauthenticated HTTP requests. Fixed in 1.6.2 & 1.5.7.

Which versions are affected by CVE-2021-3024?

1 open source package ship an affected version, including vault. It affects 1 product.

Products include Hashicorp Vault.

How do I fix CVE-2021-3024?

Upgrade vault to a fixed version for your release line: 1.5.7 or 1.6.2.

Is CVE-2021-3024 being exploited?

There is no known exploitation of CVE-2021-3024 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
• How this page is made

Also known as BIT-vault-2021-3024.