7.8
CWE
367
Advisory Published
Updated

CVE-2024-28137: PHOENIX CONTACT: privilege escalation due to a TOCTOU vulnerability in the CHARX Series

First published: Tue May 14 2024(Updated: )

A local attacker with low privileges can perform a privilege escalation with an init script due to a TOCTOU vulnerability.

Credit: info@cert.vde.com

Affected SoftwareAffected VersionHow to fix
Phoenix Contact CHARX
All of
Phoenix Contact CHARX SEC-3000<=1.5.1
Phoenix Contact CHARX SEC-3000
All of
Phoenix Contact CHARX SEC-3050 Firmware<=1.5.1
Phoenix Contact CHARX SEC-3050
All of
Phoenix Contact CHARX SEC-3100<=1.5.1
Phoenix Contact CHARX SEC-3100
All of
PhoenixContact CHARX SEC-3150 Firmware<=1.5.1
Phoenix Contact CHARX SEC-3150

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Frequently Asked Questions

  • What is the severity of CVE-2024-28137?

    CVE-2024-28137 has a critical severity due to its potential for privilege escalation by local attackers.

  • How do I fix CVE-2024-28137?

    To fix CVE-2024-28137, update your Phoenix Contact CHARX firmware to a version greater than 1.5.1.

  • Which Phoenix Contact products are affected by CVE-2024-28137?

    CVE-2024-28137 affects Phoenix Contact CHARX Sec-3000, Sec-3050, Sec-3100, and Sec-3150 firmware versions up to and including 1.5.1.

  • What type of vulnerability is CVE-2024-28137?

    CVE-2024-28137 is a TOCTOU (Time of Check to Time of Use) vulnerability allowing privilege escalation.

  • Can an attacker exploit CVE-2024-28137 remotely?

    No, CVE-2024-28137 requires local access for exploitation.

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