Home/CVE/Parallels Desktop Updater Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attac
CVE

CVE-2023-50226

Parallels Desktop Updater Link Following Local Privilege Escalation Vulnerability. This vulnerability allows local attac

Parallels Desktop Updater Link Following 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 move arbitrary files. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root. .

Was ZDI-CAN-21227.

HIGH · CVSS 7.8 EPSS 0.00281
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-59Improper Link Resolution Before File Access ('Link Following')
▤

Affected Products & Versions

2
parallels desktop< 17.1.7_\(51588\)
parallels desktop>= 18.0.0_\(53049\) and < 18.3.2_\(53621\)
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.0 · zdi-disclosures@trendmicro.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 May 2024 · 03:16 AM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://kb.parallels.com/en/125013Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1805/Third Party Advisory
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