Home/CVE/Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial o
CVE

CVE-2023-49646

Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial o

Improper authentication in some Zoom clients before version 5.16.5 may allow an authenticated user to conduct a denial of service via network access.

MEDIUM · CVSS 6.4 EPSS 0.00022
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
CWE-347Improper Verification of Cryptographic Signature
▤

Affected Products & Versions

5
zoom meeting software development kit< 5.16.5
zoom video software development kit< 5.16.5
zoom virtual desktop infrastructure< 5.14.14
zoom virtual desktop infrastructure>= 5.15.0 and < 5.15.12
zoom< 5.16.5
▣

Scoring & Timeline

6.4
MEDIUM · CVSS v3.1 · security@zoom.us
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Dec 2023 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.zoom.com/en/trust/security-bulletin/ZSB-23062/Vendor Advisory
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