Permissions, Privileges, and Access Controls in Vault and Vault Enterprise - CVE-2021-45042
Published: August 4, 2022
Vulnerability identifier: #VU66116
CSH Severity: Low
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-45042
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly impose security restrictions in clusters using the Integrated Storage backend. A remote user with write permissions to a kv secrets engine can cause a panic and denial of service of the storage backend.
Affected software
Vault
Vault Enterprise
Gentoo Linux
Vault Enterprise
Gentoo Linux
How to mitigate CVE-2021-45042
Install updates from vendor's website.
Vault - addressed in versions 1.7.8, 1.8.7, 1.9.1
Vault Enterprise - addressed in versions 1.7.8, 1.8.7, 1.9.1
Vault Enterprise - addressed in versions 1.7.8, 1.8.7, 1.9.1