high
7.4
CWE
326
Advisory Published
Updated

CVE-2023-29054: Weak Encryption

First published: Tue Apr 11 2023(Updated: )

A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT PRO (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2P IRT (All versions < V5.5.2), SCALANCE X202-2P IRT PRO (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT PRO (All versions < V5.5.2), SCALANCE XF201-3P IRT (All versions < V5.5.2), SCALANCE XF202-2P IRT (All versions < V5.5.2), SCALANCE XF204-2BA IRT (All versions < V5.5.2), SCALANCE XF204IRT (All versions < V5.5.2), SIPLUS NET SCALANCE X202-2P IRT (All versions < V5.5.2). The SSH server on affected devices is configured to offer weak ciphers by default. This could allow an unauthorized attacker in a man-in-the-middle position to read and modify any data passed over the connection between legitimate clients and the affected device.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
Siemens Scalance X200-4p Irt Firmware<5.5.2
Siemens Scalance X200-4p Irt
Siemens Scalance X201-3p Irt Firmware<5.5.2
Siemens SCALANCE X201-3P IRT
Siemens Scalance X201-3p Irt Pro Firmware<5.5.2
Siemens SCALANCE X201-3P IRT PRO
Siemens Scalance X202-2irt Firmware<5.5.2
Siemens Scalance X202-2irt
Siemens Scalance X202-2p Irt Firmware<5.5.2
Siemens Scalance X202-2p Irt
Siemens Scalance X202-2p Irt Pro Firmware<5.5.2
Siemens SCALANCE X202-2P IRT PRO
Siemens Scalance X204irt Firmware<5.5.2
Siemens Scalance X204irt
Siemens Scalance X204irt Pro Firmware<5.5.2
Siemens Scalance X204irt Pro
Siemens Scalance Xf201-3p Irt Firmware<5.5.2
Siemens Scalance Xf201-3p Irt
Siemens Scalance Xf202-2p Irt Firmware<5.5.2
Siemens Scalance Xf202-2p Irt
Siemens Scalance Xf204-2ba Irt Firmware<5.5.2
Siemens Scalance Xf204-2ba Irt
Siemens Scalance Xf204irt Firmware<5.5.2
Siemens Scalance Xf204irt
Siemens Siplus Net Scalance X202-2p Irt Firmware<5.5.2
Siemens Siplus Net Scalance X202-2p Irt

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID is CVE-2023-29054.

  • What is the severity value of CVE-2023-29054?

    The severity value of CVE-2023-29054 is 7.4 (High).

  • Which Siemens products are affected by CVE-2023-29054?

    Siemens SCALANCE X200-4P IRT, SCALANCE X201-3P IRT, SCALANCE X201-3P IRT PRO, SCALANCE X202-2IRT, SCALANCE X202-2P IRT, SCALANCE X202-2P IRT PRO, SCALANCE X204IRT, SCALANCE XF201-3P IRT, SCALANCE XF202-2P IRT, SCALANCE XF204-2BA IRT, and Siemens Siplus Net Scalance X202-2P IRT are affected by CVE-2023-29054.

  • What is the recommended solution for CVE-2023-29054?

    Updating to version 5.5.2 or later of the affected Siemens SCALANCE devices' firmware is recommended to fix CVE-2023-29054.

  • Where can I find more information about CVE-2023-29054?

    You can find more information about CVE-2023-29054 in the CERT-Portal advisory: https://cert-portal.siemens.com/productcert/pdf/ssa-479249.pdf.

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