Vulnerability Details : CVE-2023-4680
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.
Products affected by CVE-2023-4680
- cpe:2.3:a:hashicorp:vault:*:*:*:*:*:*:*:*
- cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:hashicorp:vault:*:*:*:*:*:*:*:*
- cpe:2.3:a:hashicorp:vault:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-4680
1.52%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 80 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-4680
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |
1.6
|
5.2
|
NIST | |
6.8
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |
1.6
|
5.2
|
HashiCorp Inc. |
CWE ids for CVE-2023-4680
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by:
- nvd@nist.gov (Primary)
- security@hashicorp.com (Secondary)
-
Nonces should be used for the present occasion and only once.Assigned by: security@hashicorp.com (Secondary)
References for CVE-2023-4680
-
https://discuss.hashicorp.com/t/hcsec-2023-28-vault-s-transit-secrets-engine-allowed-nonce-specified-without-convergent-encryption/58249
HCSEC-2023-28 - Vault’s Transit Secrets Engine Allowed Nonce Specified without Convergent Encryption - Security - HashiCorp DiscussVendor Advisory
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