Medium severity5.9NVD Advisory· Published Jan 12, 2021· Updated Jun 17, 2026
CVE-2020-28395
CVE-2020-28395
Description
A vulnerability has been identified in SCALANCE X-200RNA switch family (All versions < V3.2.7), SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants) (All versions < V4.1.0). Devices do not create a new unique private key after factory reset. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.
AI Insight
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Affected products
12cpe:2.3:o:siemens:scalance_xr324-12m_firmware:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:siemens:scalance_xr324-12m_firmware:*:*:*:*:*:*:*:*range: <4.1.0
- cpe:2.3:o:siemens:scalance_xr324-12m_ts_firmware:*:*:*:*:*:*:*:*range: <4.1.0
- cpe:2.3:o:siemens:scalance_xr324wg_firmware:*:*:*:*:*:*:*:*range: <4.1.0
cpe:2.3:o:siemens:scalance_xr324-4m_eec_firmware:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:o:siemens:scalance_xr324-4m_eec_firmware:*:*:*:*:*:*:*:*range: <4.1.0
- cpe:2.3:o:siemens:scalance_xr324-4m_poe_firmware:*:*:*:*:*:*:*:*range: <4.1.0
- cpe:2.3:o:siemens:scalance_xr324-4m_poe_ts_firmware:*:*:*:*:*:*:*:*range: <4.1.0
- cpe:2.3:o:siemens:scalance_xr328-4c_wg_firmware:*:*:*:*:*:*:*:*range: <4.1.0
- cpe:2.3:o:siemens:scalance_xr326-2c_poe_wg_firmware:*:*:*:*:*:*:*:*Range: <4.1.0
- Range: <V4.1.0
<V3.2.7+ 1 more
- (no CPE)range: <V3.2.7
- (no CPE)range: All versions < V3.2.7
- Siemens/SCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)v5Range: All versions < V4.1.0
Patches
Vulnerability mechanics
References
2- cert-portal.siemens.com/productcert/pdf/ssa-274900.pdfnvdVendor Advisory
- us-cert.cisa.gov/ics/advisories/icsa-21-012-02nvdThird Party AdvisoryUS Government ResourceVendor Advisory
News mentions
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