CVE-2023-27328
CVE-2023-27328 is a high-severity vulnerability in Parallels Parallels Desktop with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-91.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- EPSS exploit prediction: 0% (24th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-31104
- Weakness: CWE-91
- Affected product: Parallels Parallels Desktop
- Published:
- Last modified:
Description
Parallels Desktop Toolgate XML Injection 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 low-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 string before using it to construct an XML document. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-19187.
Frequently asked questions
- What is CVE-2023-27328?
- Parallels Desktop Toolgate XML Injection 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 low-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 string before using it to construct an XML document. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-19187.
- How severe is CVE-2023-27328?
- CVE-2023-27328 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-27328 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-27328?
- CVE-2023-27328 affects Parallels Parallels Desktop. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-27328?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-27328 have an EU (EUVD) identifier?
- Yes. CVE-2023-27328 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-31104.
- When was CVE-2023-27328 published?
- CVE-2023-27328 was published on 2024-05-03 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:parallels:parallels_desktop:*:*:*:*:*:macos:*:*
More vulnerabilities in Parallels Parallels Desktop
- CVE-2025-31359 — High (CVSS 8.8): A directory traversal vulnerability exists in the PVMP package unpacking functionality of Parallels Desktop for Mac…
- CVE-2022-34890 — High (CVSS 8.8): This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels…
- CVE-2021-34864 — High (CVSS 8.8): This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.3…
- CVE-2021-34857 — High (CVSS 8.8): This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.3…
- CVE-2021-34856 — High (CVSS 8.8): This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.1.3…
- CVE-2021-31426 — High (CVSS 8.8): This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop…
All CVEs affecting Parallels Parallels Desktop →
Other CWE-91 (XML Injection) vulnerabilities
- CVE-2021-4140 — Critical (CVSS 10.0): It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability…
- CVE-2023-43187 — Critical (CVSS 9.8): A remote code execution (RCE) vulnerability in the xmlrpc.php endpoint of NodeBB Inc NodeBB forum software prior to…
- CVE-2019-19450 — Critical (CVSS 9.8): paraparser in ReportLab before 3.5.31 allows remote code execution because start_unichar in paraparser.py evaluates…
- CVE-2021-37154 — Critical (CVSS 9.8): In ForgeRock Access Management (AM) before 7.0.2, the SAML2 implementation allows XML injection, potentially enabling a…
- CVE-2020-29128 — Critical (CVSS 9.8): petl before 1.68, in some configurations, allows resolution of entities in an XML document.
- CVE-2020-25216 — Critical (CVSS 9.8): yWorks yEd Desktop before 3.20.1 allows code execution via an XSL Transformation when using an XML file in conjunction…