CVE-2020-28395
12.01.2021, 21:15
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.Enginsight
| Vendor | Product | Version |
|---|---|---|
| siemens | scalance_xr324-12m_firmware | 𝑥 < 4.1.0 |
| siemens | scalance_xr324-12m_ts_firmware | 𝑥 < 4.1.0 |
| siemens | scalance_xr324-4m_eec_firmware | 𝑥 < 4.1.0 |
| siemens | scalance_xr324-4m_poe_firmware | 𝑥 < 4.1.0 |
| siemens | scalance_xr324-4m_poe_ts_firmware | 𝑥 < 4.1.0 |
| siemens | scalance_xr324wg_firmware | 𝑥 < 4.1.0 |
| siemens | scalance_xr326-2c_poe_wg_firmware | 𝑥 < 4.1.0 |
| siemens | scalance_xr328-4c_wg_firmware | 𝑥 < 4.1.0 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration
- CWE-321 - Use of Hard-coded Cryptographic KeyThe use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered.
- CWE-798 - Use of Hard-coded CredentialsThe software contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data.