Information disclosure in HashiCorp Vault



Published: 2021-02-26
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-27668
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Vault
Web applications / Modules and components for CMS

Vault Enterprise
Web applications / Modules and components for CMS

Vendor HashiCorp

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper access control

EUVDB-ID: #VU50968

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-27668

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass implemented security restrictions and read Vault licenses from DR Secondaries.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vault: 1.6.0 - 1.6.2

Vault Enterprise: 1.6.0 - 1.6.2

External links

http://github.com/hashicorp/vault/releases/tag/v1.6.3


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.



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