CVE-2021-34418
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Pre-auth Null pointer crash in on-premise web console
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Zoom On-Premise Meeting Connector
- Vendor
- Zoom Video Communications Inc
- Product
- Zoom On-Premise Meeting Connector
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | 4.6.239.20200613 | Unavailable | None listed |
Zoom On-Premise Meeting Connector MMR
- Vendor
- Zoom Video Communications Inc
- Product
- Zoom On-Premise Meeting Connector MMR
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | 4.6.239.20200613 | Unavailable | None listed |
Zoom On-Premise Recording Connector
- Vendor
- Zoom Video Communications Inc
- Product
- Zoom On-Premise Recording Connector
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | 3.8.42.20200905 | Unavailable | None listed |
Zoom On-Premise Virtual Room Connector
- Vendor
- Zoom Video Communications Inc
- Product
- Zoom On-Premise Virtual Room Connector
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | 4.4.6344.20200612 | Unavailable | None listed |
Zoom On-Premise Virtual Room Connector Load Balancer
- Vendor
- Zoom Video Communications Inc
- Product
- Zoom On-Premise Virtual Room Connector Load Balancer
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | 2.5.5492.20200616 | Unavailable | None listed |