Siemens SCALANCE X Switches (Update B)
SCALANCE X devices might not generate a unique random key after factory reset, and use a private key shipped with the firmware. Siemens has released updates for the affected products and recommends to update to the latest versions.
describes (2)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-28395US | medium5.9OT elevated | — | ||
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… | ||||
| CVE-2020-28391US | medium5.9OT elevated | — | ||
A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)… | ||||
references
External citations — patches, advisories, analysis.
- SSA-274900: Use of Hardcoded Key in SCALANCE X Devices Under Certain Conditions - CSAF Versionself
- SSA-274900: Use of Hardcoded Key in SCALANCE X Devices Under Certain Conditions - PDF Versionself
- SSA-274900: Use of Hardcoded Key in SCALANCE X Devices Under Certain Conditions - TXT Versionself
- ICS Advisory ICSA-21-012-02 JSONself
- Recommended Practicesexternal
- ICS Advisory ICSA-21-012-02 - Web Versionself
- Recommended Practicesexternal
- Recommended Practicesexternal
remediations (10)
- MitigationSCALANCE X-200 switch family (incl. SIPLUS NET variants)
Update the default hardcoded X.509 certificates from the firmware image (fingerprints SHA-1: F2:C8:3B:8F:86:27:74:AA:60:EC:D4:A0:CF:0D:BE:A6:D1:FE:22:12 and SHA-256: 25:60:DB:B3: F9:07:9D:69:0E:DD:A9:EB:4E:1C:D5:8E:AF:79:16:C3:C8:13:A6:F6:59:AD:05:E4:6F:77:F7:72 - fingerprints for X-200RNA switch devices SHA-1: 04:64:EF:98:A4:42:D2:BB:57:4A:47:12:20:EC:E6:85:15:4F:03:61 and SHA-256: 9C:15:FA:56:ED:FF:CA:8D:17:16:E9:2C:57:CB:90:3C:4E:81:5B:3D:60:E9:CF:26:07:B3:73:F6:C7:02:75:88)
- MitigationSCALANCE X-200IRT switch family (incl. SIPLUS NET variants)
Update the default hardcoded X.509 certificates from the firmware image (fingerprints SHA-1: F2:C8:3B:8F:86:27:74:AA:60:EC:D4:A0:CF:0D:BE:A6:D1:FE:22:12 and SHA-256: 25:60:DB:B3: F9:07:9D:69:0E:DD:A9:EB:4E:1C:D5:8E:AF:79:16:C3:C8:13:A6:F6:59:AD:05:E4:6F:77:F7:72 - fingerprints for X-200RNA switch devices SHA-1: 04:64:EF:98:A4:42:D2:BB:57:4A:47:12:20:EC:E6:85:15:4F:03:61 and SHA-256: 9C:15:FA:56:ED:FF:CA:8D:17:16:E9:2C:57:CB:90:3C:4E:81:5B:3D:60:E9:CF:26:07:B3:73:F6:C7:02:75:88)
- MitigationSCALANCE X-200RNA switch family
Update the default hardcoded X.509 certificates from the firmware image (fingerprints SHA-1: F2:C8:3B:8F:86:27:74:AA:60:EC:D4:A0:CF:0D:BE:A6:D1:FE:22:12 and SHA-256: 25:60:DB:B3: F9:07:9D:69:0E:DD:A9:EB:4E:1C:D5:8E:AF:79:16:C3:C8:13:A6:F6:59:AD:05:E4:6F:77:F7:72 - fingerprints for X-200RNA switch devices SHA-1: 04:64:EF:98:A4:42:D2:BB:57:4A:47:12:20:EC:E6:85:15:4F:03:61 and SHA-256: 9C:15:FA:56:ED:FF:CA:8D:17:16:E9:2C:57:CB:90:3C:4E:81:5B:3D:60:E9:CF:26:07:B3:73:F6:C7:02:75:88)
- MitigationSCALANCE X-200RNA switch family
Update the default hardcoded X.509 certificates from the firmware image (fingerprints SHA-1: F2:C8:3B:8F:86:27:74:AA:60:EC:D4:A0:CF:0D:BE:A6:D1:FE:22:12 and SHA-256: 25:60:DB:B3: F9:07:9D:69:0E:DD:A9:EB:4E:1C:D5:8E:AF:79:16:C3:C8:13:A6:F6:59:AD:05:E4:6F:77:F7:72 - fingerprints for X-200RNA switch devices SHA-1: 04:64:EF:98:A4:42:D2:BB:57:4A:47:12:20:EC:E6:85:15:4F:03:61 and SHA-256: 9C:15:FA:56:ED:FF:CA:8D:17:16:E9:2C:57:CB:90:3C:4E:81:5B:3D:60:E9:CF:26:07:B3:73:F6:C7:02:75:88)
- MitigationSCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)
Update the default hardcoded X.509 certificates from the firmware image (fingerprints SHA-1: F2:C8:3B:8F:86:27:74:AA:60:EC:D4:A0:CF:0D:BE:A6:D1:FE:22:12 and SHA-256: 25:60:DB:B3: F9:07:9D:69:0E:DD:A9:EB:4E:1C:D5:8E:AF:79:16:C3:C8:13:A6:F6:59:AD:05:E4:6F:77:F7:72 - fingerprints for X-200RNA switch devices SHA-1: 04:64:EF:98:A4:42:D2:BB:57:4A:47:12:20:EC:E6:85:15:4F:03:61 and SHA-256: 9C:15:FA:56:ED:FF:CA:8D:17:16:E9:2C:57:CB:90:3C:4E:81:5B:3D:60:E9:CF:26:07:B3:73:F6:C7:02:75:88)
- FixedSCALANCE X-200 switch family (incl. SIPLUS NET variants)
Update to V5.2.5 or later version
https://support.industry.siemens.com/cs/ww/en/view/109801131/ - FixedSCALANCE X-200IRT switch family (incl. SIPLUS NET variants)
Update to V5.5.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109792534/ - FixedSCALANCE X-200RNA switch family
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/ - FixedSCALANCE X-200RNA switch family
Update to V3.2.7 or later version
https://support.industry.siemens.com/cs/ww/en/view/109814809/ - FixedSCALANCE X-300 switch family (incl. X408 and SIPLUS NET variants)
Update to V4.1.0 or later version (for supported devices)
https://support.industry.siemens.com/cs/ww/en/view/109773547/
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