Vulnerability identifier: #VU47911

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-25816

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

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

Vendor: HashiCorp

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

HashiCorp Vault and Vault Enterprise versions 1.0 and newer allowed leases created with a batch token to outlive their TTL because expiration time was not scheduled correctly. Fixed in 1.4.7 and 1.5.4.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Vault: 1.5.0 - 1.5.3

---

External links
http://github.com/hashicorp/vault/blob/master/CHANGELOG.md#154
http://www.hashicorp.com/blog/category/vault

---

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.