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ZoomCVE-2021-34412

HistorySep 27, 2021 - 2:15 p.m.

CVE-2021-34412

2021-09-2714:15:08

CWE-269

Zoom

web.nvd.nist.gov

zoom

cve-2021-34412

installation process

vulnerability

windows

privilege escalation

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

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

AI Score

7.5

Confidence

High

EPSS

Percentile

5.1%

JSON

During the installation process for all versions of the Zoom Client for Meetings for Windows before 5.4.0, it is possible to launch Internet Explorer. If the installer was launched with elevated privileges such as by SCCM this can result in a local privilege escalation.

Affected configurations

Nvd

Node

zoommeetingsRange<5.4.0windows

VendorProductVersionCPE
zoommeetings*cpe:2.3:a:zoom:meetings:*:*:*:*:*:windows:*:*

Vendor	Product	Version	CPE
zoom	meetings	*	cpe:2.3:a:zoom:meetings::::::windows::*

CNA Affected

[
  {
    "product": "Zoom Client for Meetings for Windows",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "All versions of Zoom Client for Meetings for Windows before 5.4.0"
      }
    ]
  }
]

References

explore.zoom.us/en/trust/security/security-bulletin/

CVSS2

4.6

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

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

AI Score

7.5

Confidence

High

EPSS

Percentile

5.1%

JSON

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