CVE-2021-34986

2022-07-1519:15:08

CWE-367

[email protected]

web.nvd.nist.gov

1391

parallels desktop

cve-2021-34986

privilege escalation

executable file

symbolic link

zdi-can-13932

nvd

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0004 Low

EPSS

Percentile

16.1%

JSON

This vulnerability allows local attackers to escalate privileges on affected installations of Parallels Desktop 16.5.0 (49183). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Parallels 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-13932.

Affected configurations

Vulners

NVD

Node

parallelsparallels_desktopRange≤16.5.0

CPENameOperatorVersion
parallels:parallels_desktopparallels parallels desktopeq16.5.0

CPE	Name	Operator	Version
parallels:parallels_desktop	parallels parallels desktop	eq	16.5.0

CNA Affected

[
  {
    "product": "Desktop",
    "vendor": "Parallels",
    "versions": [
      {
        "status": "affected",
        "version": "16.5.0 (49183)"
      }
    ]
  }
]