Is CVE-2021-34412 in the CISA KEV catalog?

No. CVE-2021-34412 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-34412?

CVE-2021-34412 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-34412?

CVE-2021-34412 has an EPSS score of 0.33% (24th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-34412?

Upgrade Zoom Workplace to 5.4.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-34412

HIGH

7.8

CVSS v3

NVD

Description

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.

CWE-269Improper Privilege Management

How to fix

Remediation Available

Zoom WorkplaceWindows application

Affected:5.4.0Fixed in:5.4.0Zoom

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.33%probability of exploitation in 30 days

24thpercentile

Low risk: more likely to be exploited than 24% of all known CVEs.

References

Vendor Advisory1

explore.zoom.us

Related Vulnerabilities

Other CWE-269 (Improper Privilege Management) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-12635	Critical	9.8	100%	-	Fix
CVE-2022-24637	Critical	9.8	99%	-	Fix
CVE-2017-5689	Critical	9.8	92%	KEV	Fix
CVE-2020-3243	Critical	9.8	88%	-	-
CVE-2024-21888	High	8.8	87%	-	-
CVE-2022-0441	Critical	9.8	85%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.