CVE-2023-43588Network attack vector

Authenticated information disclosure

Published Nov 14, 2023 · Updated Sep 20, 2024

Insufficient control flow management in Zoom Clients before 5.16.0 allows remote authenticated users to disclose information over a network. Zoom has not published the affected component, the erroneous control-flow operation, the triggering input, or the information exposed. Exploitation requires user interaction, and the published impact is limited to disclosure without reported data modification or service interruption.

CVSS severity3.5
Low
EPSS probability0.65%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient control flow management in Zoom Clients before 5.16.0 allows remote authenticated users to disclose information over a network. Zoom has not published the affected component, the erroneous control-flow operation, the triggering input, or the information exposed. Exploitation requires user interaction, and the published impact is limited to disclosure without reported data modification or service interruption.

The record

CVE
CVE-2023-43588
Published
Nov 14, 2023
Updated
Sep 20, 2024
Vendor
Zoom Video Communications, Inc.
Product
Zoom Clients
Classifications
CWE-449
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 20, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=see references

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Zoom Video Communications, Inc. · Zoom Clientsversion=see references

Published CVSS scores

6.5NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.5Zoom Video Communications, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-449The UI Performs the Wrong Action

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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