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High severity7.5NVD Advisory· Published Jun 14, 2022· Updated Jun 17, 2026

CVE-2021-37182

CVE-2021-37182

Description

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.

Affected products

57
  • Siemens Foundation/Scalance Xm408 8c Firmware4 versions
    cpe:2.3:o:siemens:scalance_xm408-4c_firmware:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:siemens:scalance_xm408-4c_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xm408-8c_firmware:*:*:*:*:*:*:*:*range: <6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
  • Siemens Foundation/Scalance Xm400 Firmware6 versions
    cpe:2.3:o:siemens:scalance_xm408-4c_l3_firmware:*:*:*:*:*:*:*:*+ 5 more
    • cpe:2.3:o:siemens:scalance_xm408-4c_l3_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xm408-8c_l3_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xm416-4c_l3_firmware:*:*:*:*:*:*:*:*range: <6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
  • Siemens Foundation/Scalance Xr526 8c Firmware13 versions
    cpe:2.3:o:siemens:scalance_xm416-4c_firmware:*:*:*:*:*:*:*:*+ 12 more
    • cpe:2.3:o:siemens:scalance_xm416-4c_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr526-8c_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr526-8c_firmware:*:*:*:*:*:*:1x230v:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr526-8c_firmware:*:*:*:*:*:*:24v:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr526-8c_firmware:*:*:*:*:*:*:2x230v:*range: <6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
  • Siemens Foundation/Scalance Xr526 8c L3 Firmware10 versions
    cpe:2.3:o:siemens:scalance_xr524-8c_firmware:*:*:*:*:*:*:*:*+ 9 more
    • cpe:2.3:o:siemens:scalance_xr524-8c_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr524-8c_firmware:*:*:*:*:*:*:1x230v:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr524-8c_firmware:*:*:*:*:*:*:24v:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr524-8c_firmware:*:*:*:*:*:*:2x230v:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr526-8c_l3_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr526-8c_l3_firmware:*:*:*:*:*:*:1x230v:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr526-8c_l3_firmware:*:*:*:*:*:*:24v:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr526-8c_l3_firmware:*:*:*:*:*:*:2x230v:*range: <6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
  • Siemens Foundation/Scalance Xr500 Firmware15 versions
    cpe:2.3:o:siemens:scalance_xr524-8c_l3_firmware:*:*:*:*:*:*:*:*+ 14 more
    • cpe:2.3:o:siemens:scalance_xr524-8c_l3_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr524-8c_l3_firmware:*:*:*:*:*:*:1x230v:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr524-8c_l3_firmware:*:*:*:*:*:*:24v:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr524-8c_l3_firmware:*:*:*:*:*:*:2x230v:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr528-6m_2hr2_l3_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr528-6m_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr552-12m_2hr2_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr552-12m_2hr2_l3_firmware:*:*:*:*:*:*:*:*range: <6.5
    • cpe:2.3:o:siemens:scalance_xr552-12m_firmware:*:*:*:*:*:*:*:*range: <6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
    • (no CPE)range: All versions < V6.5
  • Siemens Foundation/Scalance Xr 300 Firmware2 versions
    cpe:2.3:o:siemens:scalance_xr528-6m_2hr2_firmware:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:siemens:scalance_xr528-6m_2hr2_firmware:*:*:*:*:*:*:*:*range: <6.5
    • (no CPE)range: All versions < V6.5
  • Siemens Foundation/Scalance Xr528 6m L3 Firmware2 versions
    cpe:2.3:o:siemens:scalance_xr528-6m_l3_firmware:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:siemens:scalance_xr528-6m_l3_firmware:*:*:*:*:*:*:*:*range: <6.5
    • (no CPE)range: All versions < V6.5
  • Siemens Foundation/SCALANCE XM408-4C (L3 int.)llm-create
    Range: <V6.5
  • Siemens Foundation/SCALANCE XR524-8Cllm-create
    Range: <V6.5
  • Siemens Foundation/SCALANCE XM408-4Cllm-fuzzy
    Range: <V6.5
  • Siemens/SCALANCE XR526-8C, 1x230V (L3 int.)v5
    Range: All versions < V6.5
  • Siemens/SCALANCE XR526-8C, 2x230V (L3 int.)v5
    Range: All versions < V6.5

Patches

Vulnerability mechanics

References

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