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TI-2023-12058 Aliases CVE-2023-27323GHSA-2wx8-vvfc-5r8w

Time-of-check time-of-use race condition in Parallels Desktop

Priority LOW 35CWE-367Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA.

Summary

Parallels Desktop Updater Time-Of-Check Time-Of-Use 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 host system in order to exploit this vulnerability. The specific flaw exists within the Updater service. By creating a symbolic link, an attacker can abuse the service to execute a file. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. . Was ZDI-CAN-18150.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00201 10th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ParallelsDesktop18.0.0 (53049)—No fix listedCNA
  • Desktop VendorParallels Affected 18.0.0 (53049) Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:parallels:parallels_desktop:*:*:*:*:*:macos:*:*before 18.1.0_\(53311\)VulnerableParallels
  • cpe:2.3:a:parallels:parallels_desktop:*:*:*:*:*:macos:*:* Versions before 18.1.0_\(53311\) Vulnerable ·Parallels

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Parallels Desktop — vendor-provided URL

    7 records Highest priority Priority MEDIUM 1 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2023-12061 Path traversal in Parallels DesktopPriority MEDIUM 40
    • TI-2023-12063 XML injection in Parallels DesktopPriority LOW 36
    • TI-2023-12060 Parallels Desktop Updater Improper Initialization Local Privilege Escalation VulnerabilityPriority LOW 36

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-27323
  2. 2026-10-03 Alias added: GHSA-2wx8-vvfc-5r8w

References

  • TI-2025-22549 Path traversal in Parallels Desktop for Mac CVSS 3.1HIGH 8.8
  • TI-2024-36288 Link following in Parallels Desktop for Mac CVSS 3.1HIGH 7.8
  • TI-2024-35227 Link following in Parallels Desktop for Mac CVSS 3.1HIGH 7.8
  • TI-2024-24264 Link following in Parallels Desktop for Mac CVSS 3.1HIGH 7.8
  • TI-2024-05787 Improper privilege management in Parallels Desktop CVSS 3.1CRITICAL 10.0
  • TI-2023-12061 Path traversal in Parallels Desktop CVSS 3.0HIGH 8.2
See all 73 →

Sources