Path Traversal in Parallels Desktop
CVE-2023-27326
Parallels Desktop Toolgate Directory Traversal Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop. An attacker must first obtain the ability to execute high-privileged code on the target guest system in order to exploit this vulnerability. The specific flaw exists within the Toolgate component. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the current user on the host system. . Was ZDI-CAN-18933.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.013 (66.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Parallels Desktop — versions 18.0.2 (53077)
- Parallels Parallels_desktop
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
- zdi-disclosures@trendmicro.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-27326?
- CVE-2023-27326 is a high-severity vulnerability in Parallels Desktop, classified under Path Traversal. CVSS score: 8.2/10. Published 2024-05-03.
- How severe is CVE-2023-27326?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2023-27326 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.