CVE-2023-39204
No exploitation reported by the sources we read.
- Published2023-11-14
- Fixed in5.15.11 · 5.14.13
- WeaknessCWE-120
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.
Timeline
dates in UTC- 2023-11-1423:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 18:48 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-39204?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-39204?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 5.15 | ≥ 5.15.0, < 5.15.11 | 5.15.11 | NVD |
| 5.14 | < 5.14.13 | 5.14.13 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 5.15 | < 5.15.10 | 5.15.10 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 5.15 | < 5.15.10 | 5.15.10 | NVD |
2 more products in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update Zoom virtual desktop infrastructure to 5.15.11 · 5.14.13
Advisories and patches
- explore.zoom.usVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published
- 2023-11-14
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2023-39204?
Is CVE-2023-39204 actively exploited?
What is the CVSS score for CVE-2023-39204?
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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.