critical
9.8
CWE
94
Advisory Published
Updated

CVE-2022-34821: Code Injection

First published: Tue Jul 12 2022(Updated: )

A vulnerability has been identified in RUGGEDCOM RM1224 LTE(4G) EU (All versions < V7.2), RUGGEDCOM RM1224 LTE(4G) NAM (All versions < V7.2), SCALANCE M804PB (All versions < V7.2), SCALANCE M812-1 ADSL-Router (Annex A) (All versions < V7.2), SCALANCE M812-1 ADSL-Router (Annex B) (All versions < V7.2), SCALANCE M816-1 ADSL-Router (Annex A) (All versions < V7.2), SCALANCE M816-1 ADSL-Router (Annex B) (All versions < V7.2), SCALANCE M826-2 SHDSL-Router (All versions < V7.2), SCALANCE M874-2 (All versions < V7.2), SCALANCE M874-3 (All versions < V7.2), SCALANCE M876-3 (EVDO) (All versions < V7.2), SCALANCE M876-3 (ROK) (All versions < V7.2), SCALANCE M876-4 (All versions < V7.2), SCALANCE M876-4 (EU) (All versions < V7.2), SCALANCE M876-4 (NAM) (All versions < V7.2), SCALANCE MUM853-1 (EU) (All versions < V7.2), SCALANCE MUM856-1 (EU) (All versions < V7.2), SCALANCE MUM856-1 (RoW) (All versions < V7.2), SCALANCE S615 (All versions < V7.2), SCALANCE S615 EEC (All versions < V7.2), SCALANCE SC622-2C (All versions < V2.3), SCALANCE SC622-2C (All versions >= V2.3 < V3.0), SCALANCE SC626-2C (All versions < V2.3), SCALANCE SC626-2C (All versions >= V2.3 < V3.0), SCALANCE SC632-2C (All versions < V2.3), SCALANCE SC632-2C (All versions >= V2.3 < V3.0), SCALANCE SC636-2C (All versions < V2.3), SCALANCE SC636-2C (All versions >= V2.3 < V3.0), SCALANCE SC642-2C (All versions < V2.3), SCALANCE SC642-2C (All versions >= V2.3 < V3.0), SCALANCE SC646-2C (All versions < V2.3), SCALANCE SC646-2C (All versions >= V2.3 < V3.0), SCALANCE WAM763-1 (All versions), SCALANCE WAM766-1 (EU) (All versions), SCALANCE WAM766-1 (US) (All versions), SCALANCE WAM766-1 EEC (EU) (All versions), SCALANCE WAM766-1 EEC (US) (All versions), SCALANCE WUM763-1 (All versions), SCALANCE WUM763-1 (All versions), SCALANCE WUM766-1 (EU) (All versions), SCALANCE WUM766-1 (US) (All versions), SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). By injecting code to specific configuration options for OpenVPN, an attacker could execute arbitrary code with elevated privileges.

Credit: productcert@siemens.com productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
Siemens Simatic Cp 1242-7 V2 Firmware
Siemens Simatic Cp 1242-7 V2
Siemens Simatic Cp 1243-1 Firmware
Siemens Simatic Cp 1243-1
Siemens Simatic Cp 1243-7 Lte Eu Firmware
Siemens SIMATIC CP 1243-7 LTE EU
Siemens Simatic Cp 1243-7 Lte Us Firmware
Siemens SIMATIC CP 1243-7 LTE US
Siemens Simatic Cp 1243-8 Irc Firmware
Siemens Simatic Cp 1243-8 Irc
Siemens Simatic Cp 1542sp-1 Irc Firmware>=2.0
Siemens Simatic Cp 1542sp-1 Irc
Siemens Simatic Cp 1543-1 Firmware<3.0.22
Siemens Simatic Cp 1543-1
Siemens Simatic Cp 1543sp-1 Firmware>=2.0
Siemens Simatic Cp 1543sp-1
Siemens Siplus Et 200sp Cp 1542sp-1 Irc Tx Rail Firmware>=2.0
Siemens Siplus Et 200sp Cp 1542sp-1 Irc Tx Rail
Siemens Siplus Et 200sp Cp 1543sp-1 Isec Firmware>=2.0
Siemens Siplus Et 200sp Cp 1543sp-1 Isec
Siemens Siplus Et 200sp Cp 1543sp-1 Isec Tx Rail Firmware>=2.0
Siemens Siplus Et 200sp Cp 1543sp-1 Isec Tx Rail
Siemens Siplus Net Cp 1242-7 V2 Firmware
Siemens Siplus Net Cp 1242-7 V2
Siemens Siplus Net Cp 1543-1 Firmware<3.0.22
Siemens Siplus Net Cp 1543-1
Siemens Siplus S7-1200 Cp 1243-1 Firmware
Siemens Siplus S7-1200 Cp 1243-1
Siemens Siplus S7-1200 Cp 1243-1 Rail Firmware
Siemens Siplus S7-1200 Cp 1243-1 Rail

Remedy

https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2022-34821?

    The severity of CVE-2022-34821 is critical.

  • What is the affected software for CVE-2022-34821?

    The affected software for CVE-2022-34821 includes RUGGEDCOM RM1224 LTE(4G) EU, RUGGEDCOM RM1224 LTE(4G) NAM, SCALANCE M804PB, SCALANCE M812-1 ADSL-Router (Annex A), and SCALANCE M812-1 ADSL-Router (Annex B) with versions below V7.2.

  • How can I fix CVE-2022-34821?

    To fix CVE-2022-34821, it is recommended to update the affected software to version V7.2 or higher.

  • Where can I find more information about CVE-2022-34821?

    You can find more information about CVE-2022-34821 in the following references: [link1], [link2].

  • What is the Common Vulnerabilities and Exposures (CVE) ID of this vulnerability?

    The Common Vulnerabilities and Exposures (CVE) ID of this vulnerability is CVE-2022-34821.

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