Publication Date:
Last Update:
Current Version: V1.6
CVSS v3.1 Base Score: 9.6
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Affected Product and Versions Remediation

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned
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Expand children

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned

All versions
affected by multiple CVEs
Currently no fix is planned
  • Restrict web server access in affected system(s) to ports 443/TCP and 22/TCP, to trusted IP addresses only
  • Restrict access to port 69/UDP to trusted IP addresses only, for the TFTP vulnerability

Product-specific remediations or mitigations can be found in the section Known Affected Products.
Please follow the General Security Recommendations.

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

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This chapter describes all vulnerabilities (CVE-IDs) addressed in this security advisory. Wherever applicable, it also documents the product-specific impact of the individual vulnerabilities.

CVSS v3.1 Base Score 9.6
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:H/A:H/E:P/RL:T/RC:C
CWE CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS v3.1 Base Score 7.5
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
CWE CWE-208: Observable Timing Discrepancy
CVSS v3.1 Base Score 5.9
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
CWE CWE-358: Improperly Implemented Security Check for Standard
CVSS v3.1 Base Score 5.9
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-122: Heap-based Buffer Overflow
CVSS v3.1 Base Score 5.9
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C
CWE CWE-190: Integer Overflow or Wraparound
CVSS v3.1 Base Score 7.5
CVSS v3.1 Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
CWE CWE-754: Improper Check for Unusual or Exceptional Conditions

  • Siemens Energy for coordinated disclosure of CVE-2021-37208

On FIPS devices, if the TFTP feature is turned on, it is no longer considered to be in FIPS mode and considered as regular ROS device (described in FIPS user manual)

https://www.siemens.com/cert/advisories
V1.0 (2022-03-08): Publication Date
V1.1 (2022-03-11): Corrected the list of affected products and fix releases
V1.2 (2022-04-12): Added acknowledgements
V1.3 (2023-03-14): Corrected the list of affected products and added fix for V4.3.8
V1.4 (2023-04-11): Added multiple missing affected products (only affected by CVE-2021-37208, CVE-2021-42016, CVE-2021-42017, CVE-2021-42018 and CVE-2021-42019) with no fix currently planned
V1.5 (2023-12-12): Added missing affected products: RUGGEDCOM RS416NCv2 V4.X, RUGGEDCOM RS416PNCv2 V4.x, RUGGEDCOM RS416v2 V4.X, RUGGEDCOM RS416Pv2 V4.X. Adjusted the name of RUGGEDCOM RS416NCv2 V5.X, RUGGEDCOM RS416PNCv2 V5.x, RUGGEDCOM RS416v2 V5.X, RUGGEDCOM RS416Pv2 V5.X (added reference to V5.X). Added Additional note for FIPS devices
V1.6 (2025-08-12): Added RUGGEDCOM RSG2100P (32M) and RUGGEDCOM RSG2100PNC (32M) for V4.x and V5.x