CVE-2021-42786: Riverbed Steelcentral Appinternals Dynamic Sampling Agent

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent (DSA) has Remote Code Execution vulnerabilities in multiple instances of the API requests. The affected endpoints do not have any input validation of the user's input that allowed a malicious payload to be injected.

Affected products

• Riverbed Steelcentral Appinternals Dynamic Sampling Agent: from 11.0.0, before 11.8.8 (fixed in 11.8.8); from 12.0.0, before 12.13.0 (fixed in 12.13.0); version 10.0.0 only

Published 2022-03-10. Last modified 2026-06-17.