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Unrated severityNVD Advisory· Published Jan 12, 2021· Updated Aug 4, 2024

CVE-2020-28391

CVE-2020-28391

Description

A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0), SCALANCE X-200RNA switch family (All versions < V3.2.7). Devices create a new unique key upon factory reset, except when used with C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key shipped with the firmware-image. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.

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Affected products

6
  • Siemens Foundation/Scalance X200 4p Irtllm-fuzzy2 versions
    <5.2.5+ 1 more
    • (no CPE)range: <5.2.5
    • (no CPE)range: <5.5.0
  • Siemens Foundation/Scalance X 200rnallm-fuzzy2 versions
    <3.2.7+ 1 more
    • (no CPE)range: <3.2.7
    • (no CPE)range: All versions < V3.2.7
  • Siemens/SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)v5
    Range: All versions < V5.5.0
  • Siemens/SCALANCE X-200 switch family (incl. SIPLUS NET variants)v5
    Range: All versions < V5.2.5

Patches

Vulnerability mechanics

References

2

News mentions

0

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