CVEvulnerability

CVE-2020-28395

5.9 MEDIUM Published 2021-01-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-01-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-321, CWE-798

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.

Affected configurations

• siemens scalance xr324-12m firmware (< 4.1.0) • siemens scalance xr324-12m ts firmware (< 4.1.0) • siemens scalance xr324-4m eec firmware (< 4.1.0) • siemens scalance xr324-4m poe firmware (< 4.1.0) • siemens scalance xr324-4m poe ts firmware (< 4.1.0) • siemens scalance xr324wg firmware (< 4.1.0) • siemens scalance xr326-2c poe wg firmware (< 4.1.0) • siemens scalance xr328-4c wg firmware (< 4.1.0)

Related

Weakness · CWE (2)

  • CWE-321 Use of Hard-coded Cryptographic Key weakness
  • CWE-798 Use of Hard-coded Credentials weakness

References