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CVE-2021-42855

Local privilege escalation due to misconfigured write permission on .debug_command.config file

HIGH
7.8
CVSS Score
Published: March 9, 2022 at 04:51 PM UTC
Updated: June 17, 2026 at 04:10 AM UTC
2 products affected across 2 vendorsSteelcentral Appinternals Dynamic Sampling AgentSteelCentral AppInternals Dynamic Sampling Agent

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Steelcentral Appinternals Dynamic Sampling Agent· Riverbed
95%
11.0.0 ≤ v < 11.8.812.0.0 ≤ v < 12.13.010.0.0
Affected range stops below 11.8.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.13.0, so it looks safe — our inference, not a vendor statement
SteelCentral AppInternals Dynamic Sampling Agent· Aternity
60%
v < 11.8.8v < 12.13.010.x
Affected range stops below 11.8.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.13.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://aternity.force.com/customersuccess/s/article/Local-privilege-escalation-due-to-misconfigured-write-permission-on-debug-command-config-file-CVE-2021-42855

CVSS

7.8HIGHGovTech CSG
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284CWE-732

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