Open redirect in Openstack Nova - CVE-2021-3654
Published: July 27, 2021 / Updated: July 29, 2021
Vulnerability identifier: #VU55331
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-3654
CWE-ID: CWE-601
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to redirect victims to arbitrary URL.
The vulnerability exists due to improper sanitization of user-supplied data. A remote authenticated attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.
Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.
Affected software
Openstack Nova
Gentoo Linux
PowerVC
Red Hat OpenStack
Red Hat OpenStack for IBM Power
openstack-nova (Red Hat package)
Gentoo Linux
PowerVC
Red Hat OpenStack
Red Hat OpenStack for IBM Power
openstack-nova (Red Hat package)
How to mitigate CVE-2021-3654
Install updates from vendor's website.
Openstack Nova - update to 23.0.2
openstack-nova (Red Hat package) - addressed in versions 20.4.1-1.20220112153422.1ee93b9.el8ost, 20.6.2-2.20220112164912.8906554.el8ost
openstack-nova (Red Hat package) - addressed in versions 20.4.1-1.20220112153422.1ee93b9.el8ost, 20.6.2-2.20220112164912.8906554.el8ost