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Vulnerability record · CVE-2023-43582 · published 15 November 2023

CVE-2023-43582: Zoom meetings improper authentication vulnerability

Zoom · Meetings

Improper authorization in some Zoom clients may allow an authorized user to conduct an escalation of privilege via network access.

8.8 CVSS 3.1 High EPSS 0.66% · top 50.5% CWE-939 · CWE-939CWE-287 · Improper authentication
8.8CVSS 3.1 base score
0.66%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Improper authorization in some Zoom clients may allow an authorized user to conduct an escalation of privilege via network access.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://explore.zoom.us/en/trust/security/security-bulletin/ Vendor Advisory
https://explore.zoom.us/en/trust/security/security-bulletin/ Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-24691Zoom meeting software development kit vulnerabilityImproper input validation in Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for Windows may allow an unauthentica…EPSS 1.7%9.8CVE-2023-39213Zoom virtual desktop infrastructure injection vulnerabilityImproper neutralization of special elements in Zoom Desktop Client for Windows and Zoom VDI Client before 5.15.2 may allow an unauthenticated user to…EPSS 1.4%9.8CVE-2023-39216Zoom vulnerabilityImproper input validation in Zoom Desktop Client for Windows before 5.14.7 may allow an unauthenticated user to enable an escalation of privilege via…EPSS 1.2%9.8CVE-2023-36534Zoom path traversal vulnerabilityPath traversal in Zoom Desktop Client for Windows before 5.14.7 may allow an unauthenticated user to enable an escalation of privilege via network ac…EPSS 1.6%9.8CVE-2021-34423Zoom meetings classic buffer overflow vulnerabilityA buffer overflow vulnerability was discovered in Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.8.4, Zoom C…EPSS 3.3%9.8CVE-2021-33907Zoom meetings improper certificate validation vulnerabilityThe Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the certificate information used to sign .msi files …EPSS 3.0%9.8CVE-2020-6109Zoom path traversal vulnerabilityAn exploitable path traversal vulnerability exists in the Zoom client, version 4.6.10 processes messages including animated GIFs. A specially crafted…EPSS 4.7%9.8CVE-2018-15715Zoom authentication bypass by spoofing vulnerabilityZoom clients on Windows (before version 4.1.34814.1119), Mac OS (before version 4.1.34801.1116), and Linux (2.4.129780.0915 and below) are vulnerable…EPSS 3.5%

Source: NIST National Vulnerability Database (record CVE-2023-43582), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.