CVE-2023-4680CWE-323

Vault's Transit Secrets Engine Allowed Nonce Specified without Convergent Encryption

Medium · published September 14, 2023

CVSS v3.1
6.8
EPSS
0%
Percentile
37.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00440 · 37.2th percentile
Weakness
CWE-323 · Reusing a Nonce, Key Pair in Encryption
Published
2023-09-14T23:06Z
EPSS history
Timeline
  • 14 SEP 23:06Z
    Vault's Transit Secrets Engine Allowed Nonce Specified without Convergent Encryption
    cvelistv5