#VU77633 Incorrect authorization in OpenStack Keystone - CVE-2021-3563

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Main Vulnerability Database Vulnerabilities #VU77633

#VU77633 Incorrect authorization in OpenStack Keystone - CVE-2021-3563

Published: June 22, 2023


Vulnerability identifier: #VU77633
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-3563
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenStack Keystone
Software vendor:
Openstack

Description

The vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to only the first 72 characters of an application secret are verified. A remote attacker can gain unauthorized access to bypass security restrictions.


Remediation

Install updates from vendor's website.

External links