TLS Certificate Validation Flaw in HashiCorp Vault Database Integration
CVE-2021-27400

7.5HIGH

Key Information:

Vendor

Hashicorp
Status
Vault
Vendor
CVE Published:
22 April 2021

What is CVE-2021-27400?

A vulnerability exists in HashiCorp Vault and Vault Enterprise's integration with Cassandra, where the software fails to properly validate TLS certificates when establishing connections to Cassandra clusters. This oversight can expose sensitive data if an untrusted or malicious intermediary intercepts the communication. The issue was rectified in versions 1.6.4 and 1.7.1, and it is important for users to upgrade to these versions to ensure secure database interactions.

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References

https://discuss.hashicorp.com/t/hcsec-2021-10-vault-s-cas...
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CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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