VulnerabilityModified
CVE-2021-33907
This could lead to remote code execution in an elevated privileged context.
CRITICAL 9.8EPSS 2.96%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The Zoom Client for Meetings for Windows in all versions before 5.3.0 fails to properly validate the certificate information used to sign .msi files when performing an update of the client. This could lead to remote code execution in an elevated privileged context.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.96% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-295
- Affected
- zoom/meetings
- Source
- security@zoom.us
References
- https://explore.zoom.us/en/trust/security/security-bulletin/Vendor Advisory
- https://explore.zoom.us/en/trust/security/security-bulletin/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.