CVE-2023-39218Network attack vector

Information disclosure via client-side security enforcement

Published Aug 8, 2023 · Updated Oct 10, 2024

Information disclosure in Zoom Clients before 5.14.10 allows remote authenticated users with high privileges to expose protected data. Zoom has not disclosed the affected component or the client operation that incorrectly enforces server-side security. The CNA assessment requires high privileges and user interaction over a network, and the public record does not identify the exposed data.

CVSS severity6.1
Medium
EPSS probability1.09%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Zoom Clients before 5.14.10 allows remote authenticated users with high privileges to expose protected data. Zoom has not disclosed the affected component or the client operation that incorrectly enforces server-side security. The CNA assessment requires high privileges and user interaction over a network, and the public record does not identify the exposed data.

The record

CVE
CVE-2023-39218
Published
Aug 8, 2023
Updated
Oct 10, 2024
Vendor
Zoom Video Communications, Inc.
Product
Zoom Clients
Classifications
Unavailable
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 8, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 10, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=before 5.14.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Zoom Video Communications, Inc. · Zoom Clientsversion=before 5.14.10

Published CVSS scores

4.9NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
6.1Zoom Video Communications, Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

No sourced classifications are available.

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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