CVE-2023-39204
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of...
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.
- Record
CVE-2023-39204- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - Weakness
- CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2023-42938
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.
- Record
EUVD-2023-42938- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x25c-jx5r-5c87
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of...
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.
- Record
GHSA-x25c-jx5r-5c87- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access.
- Record
CVE-2023-39204- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L - CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-39204 is a medium vulnerability (CVSS 4.3) in Zoom, published November 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.06%, the 64th percentile. No source names a fixed version.