Authentication bypass in HashiCorp Vault Enterprise

Published: 2021-02-01 | Updated: 2021-02-26

Risk	Medium
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2021-3282
CWE-ID	CWE-287
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Vault Enterprise Web applications / Modules and components for CMS
Vendor	HashiCorp

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU50970

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-3282

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the application allows the `remove-peer` raft operator command to be executed against DR secondaries without authentication.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vault Enterprise: 1.6.0 - 1.6.1

External links

http://discuss.hashicorp.com/t/hcsec-2021-04-vault-enterprise-s-dr-secondaries-allowed-raft-peer-removal-without-authentication/20337

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.