What is CVE-2021-42855?

CVE-2021-42855 is a high-severity vulnerability in Aternity Steelcentral Appinternals Dynamic Sampling Agent, classified under Improper Access Control. CVSS score: 7.8/10. Published 2022-03-10.

How severe is CVE-2021-42855?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Aternity Steelcentral Appinternals Dynamic Sampling Agent

CVE-2021-42855

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.

EPSS: 0.002 (12.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Aternity Steelcentral Appinternals Dynamic Sampling Agent — versions 10.x, 12.13.0, 11.8.8
Riverbed Steelcentral_appinternals_dynamic_sampling_agent — versions 10.0.0

Weakness classification (CWE)

References

cve_disclosure@tech.gov.sg (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-42855?: CVE-2021-42855 is a high-severity vulnerability in Aternity Steelcentral Appinternals Dynamic Sampling Agent, classified under Improper Access Control. CVSS score: 7.8/10. Published 2022-03-10.
How severe is CVE-2021-42855?: High severity. CVSS v3 base score is 7.8 out of 10.