Medium severity · published Sep 12, 2023
CVE-2023-39215
Improper authentication in Zoom clients may allow an authenticated user to conduct a denial of service via network access
6.5
CVSS
1.1%
EPSS
No
On KEV
Description
Improper authentication in Zoom clients may allow an authenticated user to conduct a denial of service via network access.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZC
Zoom Clients · Zoom Video Communications, Inc.
see reference · source: vendor
MS
Meeting Software Development Kit · Zoom
before 5.15.5 · source: NVD
VD
Virtual Desktop Infrastructure · Zoom
before 5.14.12; 5.15.0 before 5.15.4 · source: NVD
ZO
Zoom · Zoom
before 5.15.5; before 5.15.5; before 5.15.5; before 5.15.5; before 5.15.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39215
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39215
Vendor Advisory
https://explore.zoom.us/en/trust/security/security-bulletin/
More from Zoom Clients
8.8
CVE-2023-43582
Improper authorization in some Zoom clients may allow an authorized user to conduct an escalation of privilege via network access
7.8
CVE-2024-24697
Zoom Clients - Untrusted Search Path
7.5
CVE-2023-39206
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access
7.5
CVE-2023-39204
Buffer overflow in some Zoom clients may allow an unauthenticated user to conduct a denial of service via network access
6.5
CVE-2024-24690
Zoom Clients - Improper Input Validation