CVE-2023-39199

MEDIUMNVD 4.94.9—

4.9

Cryptographic issues with In-Meeting Chat for some Zoom clients may allow a privileged user to conduct an information disclosure via network access.

CVSS v3: 4.9
EG Score: 4.9(medium)
EPSS: 27.8%
KEV: Not listed

Published

November 14, 2023

Last Modified

November 21, 2024

References (2)

security@zoomhttps://explore.zoom.us/en/trust/security/security-bulletin/
af854a3a-2127-422b-91ae-364da2661108https://explore.zoom.us/en/trust/security/security-bulletin/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-325

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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2026-06-01 13:51 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-39199?

CVE-2023-39199 is a medium vulnerability published on November 14, 2023. Cryptographic issues with In-Meeting Chat for some Zoom clients may allow a privileged user to conduct an information disclosure via network access.

When was CVE-2023-39199 disclosed?

CVE-2023-39199 was first published in the National Vulnerability Database on November 14, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-39199 actively exploited?

CVE-2023-39199 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 27.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-39199?

CVE-2023-39199 has a CVSS v3 base score of 4.9 (NVD).

How do I remediate CVE-2023-39199?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-39199, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-39199

📅 Published

🔄 Last Modified

🔗 References (2)