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TI-2021-18988 Aliases CVE-2021-42786GHSA-5mv9-9mfh-fm86

Remote Code Execution at AgentControllerServlet

Priority MEDIUM 46CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.02086 81st percentileScored 2026-11-07
Fix Fixed SteelCentral AppInternals Dynamic Sampling Agent (Aternity): 12.13.0, 11.8.8

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AternitySteelCentral AppInternals Dynamic Sampling Agent10.x; 12.13.0 to before 12.13.0; 11.8.8 to before 11.8.812.13.0, 11.8.8Patch availableCNA
  • SteelCentral AppInternals Dynamic Sampling Agent VendorAternity Affected 10.x; 12.13.0 to before 12.13.0; 11.8.8 to before 11.8.8 Fixed in 12.13.0, 11.8.8 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:*:*:*:*:*:*:*:*11.0.0 to before 11.8.8; 12.0.0 to before 12.13.0VulnerableRiverbed
cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:10.0.0:*:*:*:*:*:*:*10.0.0VulnerableRiverbed
  • cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:*:*:*:*:*:*:*:* Versions 11.0.0 to before 11.8.8; 12.0.0 to before 12.13.0 Vulnerable ·Riverbed
  • cpe:2.3:a:riverbed:steelcentral_appinternals_dynamic_sampling_agent:10.0.0:*:*:*:*:*:*:* Versions 10.0.0 Vulnerable ·Riverbed

Remediation

  • Fix · CNA SteelCentral AppInternals Dynamic Sampling Agent (Aternity) Fixed in 12.13.0, 11.8.8

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Aternity SteelCentral AppInternals Dynamic Sampling Agent 11.8.8, 12.13.0

    7 records Highest priority Priority MEDIUM 4 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2021-19013 Directory Traversal Read/Write/Delete at PluginServletPriority MEDIUM 45
    • TI-2021-19012 Directory Traversal Delete/Read at AgentDiagnosticServletPriority MEDIUM 45
    • TI-2021-18989 Directory Traversal Write/Delete/Partial Read at AgentConfigurationServletPriority MEDIUM 45
    Show all 7 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42786
  2. 2026-10-03 Alias added: GHSA-5mv9-9mfh-fm86

References

Advisory 1

  • TI-2022-21624 Incorrect access control in Aternity agent in Riverbed Aternity before 12.1.4.27 allows… CVSS 3.1HIGH 7.8
  • TI-2016-04380 The web server in Aternity before 9.0.1 does not require authentication for… CVSS 3.0CRITICAL 9.8
  • TI-2021-19013 Directory Traversal Read/Write/Delete at PluginServlet CVSS 3.1CRITICAL 9.8
  • TI-2021-19012 Directory Traversal Delete/Read at AgentDiagnosticServlet CVSS 3.1CRITICAL 9.8
  • TI-2021-18989 Directory Traversal Write/Delete/Partial Read at AgentConfigurationServlet CVSS 3.1CRITICAL 9.8
  • TI-2021-19014 Local privilege escalation due to misconfigured write permission on .debug_command.config file CVSS 3.1HIGH 7.8
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences