CVE-2021-42855
7.8 · HIGHOverview
CVE-2021-42855 is a high-severity vulnerability affecting riverbed steelcentral_appinternals_dynamic_sampling_agent. It was published on March 10, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent (DSA) uses the ".debug_command.config" file to store a json string that contains a list of IDs and pre-configured commands. The config file is subsequently used by the "/api/appInternals/1.0/agent/configuration" API to map the corresponding ID to a command to be executed.
Remediation
Check the references section for vendor advisories and patches from riverbed. Update steelcentral_appinternals_dynamic_sampling_agent to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| riverbed | steelcentral_appinternals_dynamic_sampling_agent | >= 11.0.0, < 11.8.8 | Affected |
References
Frequently Asked Questions
What is CVE-2021-42855?
CVE-2021-42855 is a high-severity vulnerability affecting riverbed steelcentral_appinternals_dynamic_sampling_agent. It was published on March 10, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-42855?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-42855?
Check the references section for vendor advisories and patches from riverbed. Update steelcentral_appinternals_dynamic_sampling_agent to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-42855?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-42855 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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