Vulnerability identifier: #VU26457

Vulnerability risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-10661

CWE-ID: CWE-264

Exploitation vector: Network

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 remote attacker to escalate privileges on the system.

The vulnerability exists due to the affected software may have existing nested-path policies grant access to Namespaces created after-the-fact. A remote attacker can gain elevated privileges on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vault: 1.3.0 - 1.3.3, 1.2.0 - 1.2.4, 1.1.0 - 1.1.5, 1.0.0 - 1.0.3, 0.11.0 - 0.11.6

Vault Enterprise: 1.3.0 - 1.3.3, 1.2.0 - 1.2.4, 1.1.0 - 1.1.5, 1.0.0 - 1.0.3, 0.11.0 - 0.11.6

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External links
http://github.com/hashicorp/vault/blob/master/CHANGELOG.md#134-march-19th-2020
http://www.hashicorp.com/blog/category/vault/
http://github.com/hashicorp/vault/commit/18485ee9d4352ac8e8396c580b5941ccf8e5b31a

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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.