Medium severity · published Nov 13, 2025
CVE-2025-30669
Zoom Workplace Clients - Improper Certificate Validation
6.5
CVSS
0.1%
EPSS
No
On KEV
Description
Improper certificate validation in certain Zoom Clients may allow an unauthenticated user to conduct a disclosure of information via adjacent access.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZW
Zoom Workplace Clients · Zoom Communications Inc.
see references · source: vendor
MS
Meeting Software Development Kit · Zoom
before 6.5.10; before 6.5.10 · source: NVD
WD
Workplace Desktop · Zoom
before 6.5.10; before 6.5.10 · source: NVD
WV
Workplace Virtual Desktop Infrastructure · Zoom
before 6.3.14; 6.4.10 before 6.4.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-30669
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-30669
Vendor Advisory
https://www.zoom.com/en/trust/security-bulletin/zsb-25044
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