CVE-2021-20791: Jscom Revoworks Browser

Critical severity, CVSS 9.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Improper access control vulnerability in RevoWorks Browser 2.1.230 and earlier allows an attacker to bypass access restriction and to exchange unauthorized files between the local environment and the isolated environment or settings of the web browser via unspecified vectors.

Affected products

• Jscom Revoworks Browser: from 2.1.197, up to and including 2.1.230

Published 2021-09-17. Last modified 2026-06-17.