Vulnerability identifier: #VU73233

Vulnerability risk: Low

CVSSv3.1: 6.7 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-27327

CWE-ID: CWE-367

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Parallels Desktop
Operating systems & Components / Operating system package or component

Vendor:

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a time-of-check-time-of-use (TOCTOU) race condition within the Toolgate component. A local administrator can gain elevated privileges on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

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External links
http://www.zerodayinitiative.com/advisories/ZDI-23-215/
http://kb.parallels.com/125013

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.