CVE-2021-26471: Vembu Bdr Suite

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

In VembuBDR before 4.2.0.1 and VembuOffsiteDR before 4.2.0.1, the http API located at /sgwebservice_o.php accepts a command argument. Using this command argument an unauthenticated attacker can execute arbitrary shell commands.

Affected products

• Vembu Bdr Suite: before 4.2.0.1 (fixed in 4.2.0.1)
• Vembu Offsite Dr: before 4.2.0.1 (fixed in 4.2.0.1)

Published 2021-06-08. Last modified 2026-06-17.