CVE-2020-28395
A vulnerability has been identified in SCALANCE X-300 switch family (incl. X408 and SIPLUS NET...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-28395- CVSS 3.1
- 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
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-321, CWE-798
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-28395- Weakness
- CWE-321
- Updated
- 2026-11-02
EUVDEUVD-2020-20854 No score
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.
- Record
EUVD-2020-20854- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vfw8-4p7f-cjjh
A vulnerability has been identified in SCALANCE X-300 switch family (incl. X408 and SIPLUS NET...
A vulnerability has been identified in 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.
- Record
GHSA-vfw8-4p7f-cjjh- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-321, CWE-798
- Updated
- 2026-11-02
Affected products
- siemens scalance x-200rna switch family
- siemens scalance x-300 switch family (incl. x408 and siplus net variants)
- siemens scalance xr324-12m firmware
- siemens scalance xr324-12m ts firmware
- siemens scalance xr324-4m eec firmware
- siemens scalance xr324-4m poe firmware
- siemens scalance xr324-4m poe ts firmware
- siemens scalance xr324wg firmware
- siemens scalance xr326-2c poe wg firmware
- siemens scalance xr328-4c wg firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-28395 is a medium vulnerability (CVSS 5.9) in Siemens Scalance X-200rna Switch Family, published January 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.19%, the 68th percentile. No source names a fixed version.