Main Vulnerability Database Vulnerabilities #VU47911

Input validation error in Vault - CVE-2020-25816

Published: September 30, 2020 / Updated: October 26, 2020

Vulnerability identifier: #VU47911

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-25816

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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.

Affected software

Vault
vault (Alpine package)

How to mitigate CVE-2020-25816

Install update from vendor's website.

Vault - update to 1.5.4
vault (Alpine package) - update to 1.5.4-r0

External References

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

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