Vulnerability Details : CVE-2021-27400
HashiCorp Vault and Vault Enterprise Cassandra integrations (storage backend and database secrets engine plugin) did not validate TLS certificates when connecting to Cassandra clusters. Fixed in 1.6.4 and 1.7.1
Products affected by CVE-2021-27400
- cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*
- cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
- cpe:2.3:a:hashicorp:vault:*:*:*:*:-:*:*:*
- cpe:2.3:a:hashicorp:vault:*:*:*:*:enterprise:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-27400
0.14%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-27400
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-27400
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-27400
-
https://discuss.hashicorp.com/t/hcsec-2021-10-vault-s-cassandra-integrations-did-not-validate-tls-certificates/23463
HCSEC-2021-10 - Vault’s Cassandra Integrations Did Not Validate TLS Certificates - Security - HashiCorp DiscussVendor Advisory
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