CVE-2021-34415
HIGH
7.5
CVSS Score
Published: September 27, 2021 at 01:56 PM UTC
Updated: June 17, 2026 at 03:55 AM UTC
1 product affected across 1 vendorMeeting Connector
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Severity
HIGH7.5
Exploit prediction
EPSS 1.0%
Description
The Zone Controller service in the Zoom On-Premise Meeting Connector Controller before version 4.6.358.20210205 does not verify the cnt field sent in incoming network packets, which leads to exhaustion of resources and system crash.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 4.6.358.20210205
Affected range stops below 4.6.358.20210205, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCx_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://explore.zoom.us/en/trust/security/security-bulletin/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-770
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