CVE-2023-4680 Vault's Transit Secrets Engine Allowed Nonce Specified without Convergent Encryption

What is CVE-2023-4680?

CVE-2023-4680 is a medium-severity vulnerability in Hashicorp Vault, published on 14 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

HashiCorp Vault and Vault Enterprise transit secrets engine allowed authorized users to specify arbitrary nonces, even with convergent encryption disabled. The encrypt endpoint, in combination with an offline attack, could be used to decrypt arbitrary ciphertext and potentially derive the authentication subkey when using transit secrets engine without convergent encryption. Introduced in 1.6.0 and fixed in 1.14.3, 1.13.7, and 1.12.11.

Weakness: CWE-20, CWE-323

Which versions are affected by CVE-2023-4680?

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-2023-4680?

Upgrade github.com/hashicorp/vault to a fixed version for your release line: 1.13.7, 1.14.3 or 1.12.11.

Is CVE-2023-4680 being exploited?

There is no known exploitation of CVE-2023-4680 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-2023-4680, GHSA-v84f-6r39-cpfc, GO-2023-2063.