CVE-2023-4680 MEDIUM

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

Vendor Hashicorp
Product Vault
Weakness CWE-323
Published September 14, 2023
Last update September 26, 2024
View on NVD All CVEs

CVSS base score

6.8/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 14, 2023 CVE published
September 26, 2024 Record updated