CVE-2023-0665 Vault PKI Issuer Endpoint Did Not Correctly Authorize Access to Issuer Metadata

What is CVE-2023-0665?

CVE-2023-0665 is a medium-severity missing authorization vulnerability in Hashicorp Vault, published on 30 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

HashiCorp Vault's PKI mount issuer endpoints did not correctly authorize access to remove an issuer or modify issuer metadata, potentially resulting in denial of service of the PKI mount. This bug did not affect public or private key material, trust chains or certificate issuance. Fixed in Vault 1.13.1, 1.12.5, and 1.11.9.

Weakness: CWE-285

Which versions are affected by CVE-2023-0665?

8 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-2023-0665?

Upgrade github.com/hashicorp/vault to a fixed version for your release line: 1.11.9, 1.12.5 or 1.13.1.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-0665 being exploited?

There is no known exploitation of CVE-2023-0665 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-2023-0665, GHSA-hwc3-3qh6-r4gg, GO-2023-1708.