SARA / Free Tools / CVE / CVE-2023-39217

CVE-2023-39217 — Improper input validation in Zoom SDK’s before 5

Improper input validation in Zoom SDK’s before 5.14.10 may allow an unauthenticated user to enable a denial of service via network access.

CVSS

5.3 MEDIUM

EPSS

17.00% (top 62.40%)

CWE

CWE-80

Published

2023-08-08T17:49:38.142Z

Last modified

2024-10-10T16:21:43.772Z

CVSS vector

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

01What is this vulnerability?

Improper input validation in Zoom SDK’s before 5.14.10 may allow an unauthenticated user to enable a denial of service via network access.

Vendor	Product	Versions
Zoom Video Communications, Inc.	Zoom SDK's	before 5.14.10

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

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