Vulnerability identifier: #VU55908

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-38554

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Vault
Web applications / Modules and components for CMS
Vault Enterprise
Web applications / Modules and components for CMS

Vendor: HashiCorp

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to the cache of user-viewed secrets between sessions in a single shared browser. A local user can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vault: 1.6.0 - 1.6.5, 1.7.0 - 1.7.3

Vault Enterprise: 1.6.0 - 1.6.5, 1.7.0 - 1.7.3

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External links
http://discuss.hashicorp.com/t/hcsec-2021-19-vault-s-ui-cached-user-viewed-secrets-between-shared-browser-sessions/28166

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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