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CVE-2021-37182


A vulnerability has been identified in SCALANCE XM408-4C (All versions < V6.5), SCALANCE XM408-4C (L3 int.) (All versions < V6.5), SCALANCE XM408-8C (All versions < V6.5), SCALANCE XM408-8C (L3 int.) (All versions < V6.5), SCALANCE XM416-4C (All versions < V6.5), SCALANCE XM416-4C (L3 int.) (All versions < V6.5), SCALANCE XR524-8C, 1x230V (All versions < V6.5), SCALANCE XR524-8C, 1x230V (L3 int.) (All versions < V6.5), SCALANCE XR524-8C, 24V (All versions < V6.5), SCALANCE XR524-8C, 24V (L3 int.) (All versions < V6.5), SCALANCE XR524-8C, 2x230V (All versions < V6.5), SCALANCE XR524-8C, 2x230V (L3 int.) (All versions < V6.5), SCALANCE XR526-8C, 1x230V (All versions < V6.5), SCALANCE XR526-8C, 1x230V (L3 int.) (All versions < V6.5), SCALANCE XR526-8C, 24V (All versions < V6.5), SCALANCE XR526-8C, 24V (L3 int.) (All versions < V6.5), SCALANCE XR526-8C, 2x230V (All versions < V6.5), SCALANCE XR526-8C, 2x230V (L3 int.) (All versions < V6.5), SCALANCE XR528-6M (All versions < V6.5), SCALANCE XR528-6M (2HR2) (All versions < V6.5), SCALANCE XR528-6M (2HR2, L3 int.) (All versions < V6.5), SCALANCE XR528-6M (L3 int.) (All versions < V6.5), SCALANCE XR552-12M (All versions < V6.5), SCALANCE XR552-12M (2HR2) (All versions < V6.5), SCALANCE XR552-12M (2HR2) (All versions < V6.5), SCALANCE XR552-12M (2HR2, L3 int.) (All versions < V6.5). The OSPF protocol implementation in affected devices fails to verify the checksum and length fields in the OSPF LS Update messages. An unauthenticated remote attacker could exploit this vulnerability to cause interruptions in the network by sending specially crafted OSPF packets. Successful exploitation requires OSPF to be enabled on an affected device.


Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 34 products from siemens, from siemens, from siemens and 31 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.


Published

2022-06-14T10:15:17.747

Last Modified

2024-11-21T06:14:48.583

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-354
  • Type: Primary
    CWE-354

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System siemens scalance_xm408-4c_firmware < 6.5 Yes
Hardware siemens scalance_xm408-4c - No
Operating System siemens scalance_xm408-4c_l3_firmware < 6.5 Yes
Hardware siemens scalance_xm408-4c_l3 - No
Operating System siemens scalance_xm408-8c_firmware < 6.5 Yes
Hardware siemens scalance_xm408-8c - No
Operating System siemens scalance_xm408-8c_l3_firmware < 6.5 Yes
Hardware siemens scalance_xm408-8c_l3 - No
Operating System siemens scalance_xm416-4c_firmware < 6.5 Yes
Hardware siemens scalance_xm416-4c - No
Operating System siemens scalance_xm416-4c_l3_firmware < 6.5 Yes
Hardware siemens scalance_xm416-4c_l3 - No
Operating System siemens scalance_xr524-8c_firmware < 6.5 Yes
Hardware siemens scalance_xr524-8c - No
Operating System siemens scalance_xr524-8c_firmware < 6.5 Yes
Hardware siemens scalance_xr524-8c - No
Operating System siemens scalance_xr524-8c_firmware < 6.5 Yes
Hardware siemens scalance_xr524-8c - No
Operating System siemens scalance_xr524-8c_firmware < 6.5 Yes
Hardware siemens scalance_xr524-8c - No
Operating System siemens scalance_xr524-8c_l3_firmware < 6.5 Yes
Hardware siemens scalance_xr524-8c_l3 - No
Operating System siemens scalance_xr524-8c_l3_firmware < 6.5 Yes
Hardware siemens scalance_xr524-8c_l3 - No
Operating System siemens scalance_xr524-8c_l3_firmware < 6.5 Yes
Hardware siemens scalance_xr524-8c_l3 - No
Operating System siemens scalance_xr524-8c_l3_firmware < 6.5 Yes
Hardware siemens scalance_xr524-8c_l3 - No
Operating System siemens scalance_xr526-8c_firmware < 6.5 Yes
Hardware siemens scalance_xr526-8c - No
Operating System siemens scalance_xr526-8c_firmware < 6.5 Yes
Hardware siemens scalance_xr526-8c - No
Operating System siemens scalance_xr526-8c_firmware < 6.5 Yes
Hardware siemens scalance_xr526-8c - No
Operating System siemens scalance_xr526-8c_firmware < 6.5 Yes
Hardware siemens scalance_xr526-8c - No
Operating System siemens scalance_xr526-8c_l3_firmware < 6.5 Yes
Hardware siemens scalance_xr526-8c_l3 - No
Operating System siemens scalance_xr526-8c_l3_firmware < 6.5 Yes
Hardware siemens scalance_xr526-8c_l3 - No
Operating System siemens scalance_xr526-8c_l3_firmware < 6.5 Yes
Hardware siemens scalance_xr526-8c_l3 - No
Operating System siemens scalance_xr526-8c_l3_firmware < 6.5 Yes
Hardware siemens scalance_xr526-8c_l3 - No
Operating System siemens scalance_xr528-6m_firmware < 6.5 Yes
Hardware siemens scalance_xr528-6m - No
Operating System siemens scalance_xr528-6m_2hr2_firmware < 6.5 Yes
Hardware siemens scalance_xr528-6m_2hr2 - No
Operating System siemens scalance_xr528-6m_2hr2_l3_firmware < 6.5 Yes
Hardware siemens scalance_xr528-6m_2hr2_l3 - No
Operating System siemens scalance_xr528-6m_l3_firmware < 6.5 Yes
Hardware siemens scalance_xr528-6m_l3 - No
Operating System siemens scalance_xr552-12m_firmware < 6.5 Yes
Hardware siemens scalance_xr552-12m - No
Operating System siemens scalance_xr552-12m_2hr2_firmware < 6.5 Yes
Hardware siemens scalance_xr552-12m_2hr2 - No
Operating System siemens scalance_xr552-12m_2hr2_l3_firmware < 6.5 Yes
Hardware siemens scalance_xr552-12m_2hr2_l3 - No

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For siemens's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.