Improper access control in Parallels Desktop - CVE-2021-34864
Published: October 1, 2021
Vulnerability identifier: #VU56979
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-34864
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to improper access control within the WinAppHelper component, which leads to security restrictions bypass and privilege escalation.
Affected software
Parallels Desktop
How to mitigate CVE-2021-34864
Install updates from vendor's website.
Parallels Desktop - update to 17