CVE-2021-27400 Security feature bypass in n/a

High 7.5 Published Updated

Attackers can intercept or manipulate data between Vault and Cassandra due to missing TLS certificate validation, compromising data confidentiality and integrity.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2021-27400?

CVE-2021-27400 is a high-severity vulnerability in Hashicorp Vault, published on 22 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-295

Which versions are affected by CVE-2021-27400?

1 open source package ship an affected version, including vault. It affects 1 product.

PackageAffectedFixed in
vault BitnamiAll versions1.6.4, 1.7.1

Products include Hashicorp Vault.

How do I fix CVE-2021-27400?

Upgrade vault to a fixed version for your release line: 1.6.4 or 1.7.1.

Is CVE-2021-27400 being exploited?

There is no known exploitation of CVE-2021-27400 in the wild and no public exploit code.

All Hashicorp Vault vulnerabilities

Sources

Also known as BIT-vault-2021-27400, GHSA-4wr6-x9g6-m47v.

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