CVE-2021-42786

Name: CVE-2021-42786
Creator: NVD / NIST
Published: 2022-03-10T17:44:05.287+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.96%

Last modified Jun 17, 2026

CVE-2021-42786 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.96% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.96%

77.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Riverbed	Steelcentral Appinternals Dynamic Sampling Agent	>= 11.0.0, < 11.8.8
Riverbed	Steelcentral Appinternals Dynamic Sampling Agent	>= 12.0.0, < 12.13.0
Riverbed	Steelcentral Appinternals Dynamic Sampling Agent	10.0.0

References

https://aternity.force.com/customersuccess/s/article/Remote-Code-Execution-at-AgentControllerServlet-CVE-2021-42786Third Party Advisory
https://aternity.force.com/customersuccess/s/article/Remote-Code-Execution-at-AgentControllerServlet-CVE-2021-42786Third Party Advisory

Timeline

Published: Mar 10, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42786?

How severe is CVE-2021-42786?

CVE-2021-42786 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.96% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42786?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-42786?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST