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ZdiCVE-2021-31417

HistoryApr 29, 2021 - 5:15 p.m.

CVE-2021-31417

2021-04-2917:15:09

CWE-908

zdi

web.nvd.nist.gov

cve-2021-31417

parallels desktop

vulnerability

privilege escalation

toolgate component

information disclosure

nvd

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

6.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.3

Confidence

High

EPSS

Percentile

15.9%

JSON

This vulnerability allows local attackers to disclose sensitive information on affected installations of Parallels Desktop 15.1.4-47270. 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 initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of the hypervisor. Was ZDI-CAN-12131.

Affected configurations

Nvd

Vulners

Node

parallelsparallels_desktopMatch15.1.4-47270

VendorProductVersionCPE
parallelsparallels_desktop15.1.4-47270cpe:2.3:a:parallels:parallels_desktop:15.1.4-47270:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
parallels	parallels_desktop	15.1.4-47270	cpe:2.3:a:parallels:parallels_desktop:15.1.4-47270:::::::*

CNA Affected

[
  {
    "product": "Desktop",
    "vendor": "Parallels",
    "versions": [
      {
        "status": "affected",
        "version": "15.1.4-47270"
      }
    ]
  }
]

References

kb.parallels.com/en/125013

www.zerodayinitiative.com/advisories/ZDI-21-426/

Social References

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

6.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

6.3

Confidence

High

EPSS

Percentile

15.9%

JSON

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