CWE
22 20
Advisory Published
Updated

CVE-2021-42857: Directory Traversal Partial Write at AgentDaServlet

First published: Wed Mar 09 2022(Updated: )

It was discovered that the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentDaServlet has directory traversal vulnerabilities at the "/api/appInternals/1.0/agent/da/pcf" API. The affected endpoint does not have any validation of the user's input that allows a malicious payload to be injected.

Credit: cve_disclosure@tech.gov.sg

Affected SoftwareAffected VersionHow to fix
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

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Frequently Asked Questions

  • What is CVE-2021-42857?

    CVE-2021-42857 is a directory traversal vulnerability in the SteelCentral AppInternals Dynamic Sampling Agent's (DSA) AgentDaServlet.

  • What is the severity level of CVE-2021-42857?

    CVE-2021-42857 has a severity level of medium, with a CVSS score of 5.3.

  • Which software versions are affected by CVE-2021-42857?

    CVE-2021-42857 affects Riverbed SteelCentral AppInternals Dynamic Sampling Agent versions 10.0.0 to 11.8.8 and 12.0.0 to 12.13.0.

  • How can the directory traversal vulnerability in CVE-2021-42857 be exploited?

    The directory traversal vulnerability in CVE-2021-42857 can be exploited by sending a malicious payload through the "/api/appInternals/1.0/agent/da/pcf" API.

  • Where can I find more information about CVE-2021-42857?

    More information about CVE-2021-42857 can be found at this reference link: https://aternity.force.com/customersuccess/s/article/Directory-Traversal-Partial-Write-at-AgentDaServlet-CVE-2021-42857

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