Home/CVE/Improper authentication in Zoom clients may allow an authenticated user to conduct a denial of service via network acces
CVE

CVE-2023-39215

Improper authentication in Zoom clients may allow an authenticated user to conduct a denial of service via network acces

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

HIGH · CVSS 7.1 EPSS 0.00287
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-287Improper Authentication
CWE-449The UI Performs the Wrong Action
▤

Affected Products & Versions

4
zoom meeting software development kit< 5.15.5
zoom virtual desktop infrastructure< 5.14.12
zoom virtual desktop infrastructure>= 5.15.0 and < 5.15.4
zoom< 5.15.5
▣

Scoring & Timeline

7.1
HIGH · 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 NVD12 Sep 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

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