CVE-2020-28395

Medium

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.

SeverityMedium
CVSS5.9
Exploit probability—
ProductSiemens Scalance Xr324-12m Firmware
PublishedJan 12, 2021
First seenJan 12, 2021
Weakness typeCWE-321CWE-321

How to fix

Update
  • siemens scalance_xr324-12m_firmware4.1.0 or later
  • siemens scalance_xr324-12m_ts_firmware4.1.0 or later
  • siemens scalance_xr324-4m_eec_firmware4.1.0 or later
  • siemens scalance_xr324-4m_poe_firmware4.1.0 or later
  • siemens scalance_xr324-4m_poe_ts_firmware4.1.0 or later
  • siemens scalance_xr324wg_firmware4.1.0 or later
  • siemens scalance_xr326-2c_poe_wg_firmware4.1.0 or later
  • siemens scalance_xr328-4c_wg_firmware4.1.0 or later

Affected products

ProductAffected versionsFixed in
siemens scalance_xr324-12m_firmwarev < 4.1.04.1.0
siemens scalance_xr324-12m_ts_firmwarev < 4.1.04.1.0
siemens scalance_xr324-4m_eec_firmwarev < 4.1.04.1.0
siemens scalance_xr324-4m_poe_firmwarev < 4.1.04.1.0
siemens scalance_xr324-4m_poe_ts_firmwarev < 4.1.04.1.0
siemens scalance_xr324wg_firmwarev < 4.1.04.1.0
siemens scalance_xr326-2c_poe_wg_firmwarev < 4.1.04.1.0
siemens scalance_xr328-4c_wg_firmwarev < 4.1.04.1.0

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