CVE-2021-34418
This could lead to a crash of the login service.
Does this matter?
Lower severity and a low EPSS score (0.63%). Track it; it rarely justifies an emergency change on its own.
Description
The login routine of the web console in the Zoom On-Premise Meeting Connector before version 4.6.239.20200613, Zoom On-Premise Meeting Connector MMR before version 4.6.239.20200613, Zoom On-Premise Recording Connector before version 3.8.42.20200905, Zoom On-Premise Virtual Room Connector before version 4.4.6344.20200612, and Zoom On-Premise Virtual Room Connector Load Balancer before version 2.5.5492.20200616 fails to validate that a NULL byte was sent while authenticating. This could lead to a crash of the login service.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 0.63% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- zoom/zoom on-premise meeting connector controller · zoom/zoom on-premise meeting connector mmr · zoom/zoom on-premise recording connector · zoom/zoom on-premise virtual room connector · zoom/zoom on-premise virtual room connector load balancer
- Source
- security@zoom.us
References
- https://explore.zoom.us/en/trust/security/security-bulletinVendor Advisory
- https://explore.zoom.us/en/trust/security/security-bulletinVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.