ICSA-21-287-07: Siemens SCALANCE

CISA's summary

Summary: The Scalance W1750D device contains multiple vulnerabilities that could allow an attacker to inject commands or exploit multiple buffer overflow vulnerabilities that could lead to denial of service or unauthenticated remote code execution. Siemens has released updates for the SCALANCE W1750D and recommends to update to the latest version. Siemens recommends specific countermeasures for products where updates are not, or not yet available.

Products, as the advisory lists them

DeSpy has not checked any unit, hardware revision or firmware.

Vulnerabilities in this advisory

• CVE-2019-5318 — CVE-2019-5318 · CWE-352

  The web interface for RAPConsole lacks Anti-CSRF protections in place for state-changing operations. This can potentially be exploited by an attacker to reboot the affected device if the attacker can convince a user to visit a specially-crafted web page.

• CVE-2021-37716 — CVE-2021-37716 · CWE-120

  There are multiple buffer overflow vulnerabilities that could lead to unauthenticated remote code execution by sending especially crafted packets destined to the PAPI (Aruba Networks AP management protocol) UDP port (8211) of devices running ArubaOS. This may potentially allow for denial-of-service attacks and/or remote code execution in the underlying operating system.

• CVE-2021-37717 — CVE-2021-37717 · CWE-77

  Authenticated command injection vulnerabilities exist in the ArubaOS web-based management user interface. Successful exploitation of these vulnerabilities result in the ability to execute arbitrary commands as a privileged user on the underlying operating system. This allows an attacker to fully compromise the underlying operating system on the device running ArubaOS.

• CVE-2021-37718 — CVE-2021-37718 · CWE-77

  Authenticated command injection vulnerabilities exist in the ArubaOS web-based management user interface. Successful exploitation of these vulnerabilities result in the ability to execute arbitrary commands as a privileged user on the underlying operating system. This allows an attacker to fully compromise the underlying operating system on the device running ArubaOS.

• CVE-2021-37719 — CVE-2021-37719 · CWE-77

  A remote arbitrary command execution vulnerability was discovered in Aruba SD-WAN Software and Gateways; Aruba Operating System Software version(s): Prior to 8.6.0.4-2.2.0.4; Prior to 8.7.1.4, 8.6.0.9, 8.5.0.13, 8.3.0.16, 6.5.4.20, 6.4.4.25. Aruba has released patches for Aruba SD-WAN Software and Gateways and ArubaOS that address this security vulnerability.

• CVE-2021-37720 — CVE-2021-37720 · CWE-77

  Authenticated command injection vulnerabilities exist in the ArubaOS command line interface. Successful exploitation of these vulnerabilities result in the ability to execute arbitrary commands as a privileged user on the underlying operating system. This allows an attacker to fully compromise the underlying operating system on the device running ArubaOS.

• CVE-2021-37721 — CVE-2021-37721 · CWE-77

  Authenticated command injection vulnerabilities exist in the ArubaOS command line interface. Successful exploitation of these vulnerabilities result in the ability to execute arbitrary commands as a privileged user on the underlying operating system. This allows an attacker to fully compromise the underlying operating system on the device running ArubaOS.

• CVE-2021-37722 — CVE-2021-37722 · CWE-77

  Authenticated command injection vulnerabilities exist in the ArubaOS command line interface. Successful exploitation of these vulnerabilities result in the ability to execute arbitrary commands as a privileged user on the underlying operating system. This allows an attacker to fully compromise the underlying operating system on the device running ArubaOS.

• CVE-2021-37723 — CVE-2021-37723 · CWE-77

  Authenticated command injection vulnerabilities exist in the ArubaOS command line interface. These particular vulnerabilities are only present in instances of the Mobility Conductor. Successful exploitation of these vulnerabilities result in the ability to execute arbitrary commands as a privileged user on the underlying operating system. This allows an attacker to fully compromise the underlying operating system on the Mobility Conductor running ArubaOS.

• CVE-2021-37724 — CVE-2021-37724 · CWE-77

  Authenticated command injection vulnerabilities exist in the ArubaOS command line interface. These particular vulnerabilities are only present in instances of the Mobility Conductor. Successful exploitation of these vulnerabilities result in the ability to execute arbitrary commands as a privileged user on the underlying operating system. This allows an attacker to fully compromise the underlying operating system on the Mobility Conductor running ArubaOS.

• CVE-2021-37725 — CVE-2021-37725 · CWE-352

  A vulnerability in the web-based management interface of ArubaOS could allow an unauthenticated remote attacker to conduct a Cross-Site Request Forgery (CSRF) attack against a vulnerable system. A successful exploit would consist of an attacker persuading an authorized user to follow a malicious link, resulting in the deletion of arbitrary files with the privilege level of the targeted user.

• CVE-2021-37728 — CVE-2021-37728 · CWE-22

  Authenticated path traversal vulnerabilities exist in the ArubaOS command line interface. Successful exploitation of these vulnerabilities result in the ability to impact the integrity of critical files on the underlying operating system. This allows an attacker to impact the availability of the ArubaOS instance and may allow for modification of sensitive data.

• CVE-2021-37729 — CVE-2021-37729 · CWE-22

  An authenticated path traversal vulnerability exists in the ArubaOS web-based management interface. Successful exploitation of this vulnerability results in the ability to impact the integrity of critical files on the underlying operating system. This allows an attacker to impact the availability of the ArubaOS instance and may allow for modification of sensitive data.

• CVE-2021-37731 — CVE-2021-37731 · CWE-311

  An authenticated local path traversal vulnerability exists in the ArubaOS web-based management interface and CLI. This vulnerability only affects physical hardware controllers such as the 9000 series and 7x00 series. Successful exploitation of this vulnerability requires physical access to the controller and results in the ability to impact the integrity and confidentiality of critical files on the underlying operating system. This allows an attacker to impact the availability of the ArubaOS instance and may allow for modification or disclosure of sensitive data.

• CVE-2021-37733 — CVE-2021-37733 · CWE-22

  An authenticated path traversal vulnerability exists in the ArubaOS command line interface. Successful exploitation of this vulnerability results in the ability to read arbitrary files on the underlying operating system, including sensitive system files.

Acknowledgments, as the advisory lists them

• Siemens ProductCERT: reporting these vulnerabilities to CISA.

The advisory's legal notice

Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter "License Terms"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter "Terms of Use"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.

Sources

• The advisory at cisa.gov
• The CSAF document (JSON)

DeSpy's copy of this version is dated 2026-09-28.