On24 provides screen-sharing and web conferencing capabilities, with a narrow product portfolio centered on its screenshare offering. The observed vulnerability signal points to improper restriction of XML external entity references, a weakness class associated with XML parsing in document-exchange and media-handling contexts. Current severity, exploitation, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by On24 over time
Signals from CVEs in this vendor scope (1 CVEs).
1 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2021-34823CRITICAL The ON24 ScreenShare (aka DesktopScreenShare.app) plugin before 2.0 for macOS allows remote file access via its built-in HTTP server. This allows unauthenticated remote users to re | Aug 13, 2021 | 9.1 | 27 | NO | NO |
Signals from CVEs in this vendor scope (1 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by On24.
Media articles that mention a CVE ID that affects a product developed by On24 — matched by CVE ID, not by vendor name.