High severity · published Jun 13, 2023
CVE-2023-28602
Zoom for Windows clients prior to 5.13.5 contain an improper verification of cryptographic signature vulnerability
7.7
CVSS
0.3%
EPSS
No
On KEV
Description
Zoom for Windows clients prior to 5.13.5 contain an improper verification of cryptographic signature vulnerability. A malicious user may potentially downgrade Zoom Client components to previous versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZO
Zoom · Zoom
before 5.13.5 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-28602
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-28602
Vendor Advisory
https://explore.zoom.us/en/trust/security/security-bulletin/
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