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Kaspersky LabKLA12443

HistoryNov 09, 2021 - 12:00 a.m.

KLA12443 RCE vulnerability in Zoom

2021-11-0900:00:00

Kaspersky Lab

threats.kaspersky.com

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.4%

JSON

Remote code execution vulnerability was found in Zoom. Malicious users can exploit this vulnerability to execute arbitrary code.

Original advisories

Zoom Security Bulletin

Related products

Zoom-MSI

CVE list

CVE-2021-34420 high

Solution

Update to the latest version

Download Zoom

Impacts

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

Affected Products

Zoom for Windows earlier than 5.5.4

References

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

statistics.securelist.com/

threats.kaspersky.com/en/product/Zoom-MSI/

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

7.4 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

34.4%

JSON

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