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Fencer Vulns
high 8.3

CVE-2023-28597 json

Improper trust boundary implementation for SMB in Zoom Clients

published 2023-03-27 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32267

cvss
8.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

Zoom clients prior to 5.13.5 contain an improper trust boundary implementation vulnerability. If a victim saves a local recording to an SMB location and later opens it using a link from Zoom’s web portal, an attacker positioned on an adjacent network to the victim client could set up a malicious SMB server to respond to client requests, causing the client to execute attacker controlled executables. This could result in an attacker gaining access to a user's device and data, and remote code execution.

Patch / fix

  • Zoom Video Communications Inc Zoom (for Android, iOS, Linux, macOS, and Windows) 5.13.5
  • Zoom Video Communications Inc Zoom Rooms (for Android, iOS, Linux, macOS, and Windows) 5.13.5
  • Zoom Video Communications Inc Zoom VDI for Windows 5.13.10

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
20 mo ago

Exploit prediction

0.52% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 8.3 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD 3.1 7.5 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Zoom Video Communications Inc Zoom (for Android, iOS, Linux, macOS, and Windows)
  • Zoom Video Communications Inc Zoom Rooms (for Android, iOS, Linux, macOS, and Windows)
  • Zoom Video Communications Inc Zoom VDI for Windows

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.