SSA-296266: Denial-of-Service Vulnerability in SCALANCE and RUGGEDCOM Devices
Some firmware versions of the SCALANCE and RUGGEDCOM devices listed below are affected by a vulnerability in the SSH authentication that could allow an attacker to cause a Denial-of-Service under certain conditions. Siemens has released updates for the affected products and recommends to update to the latest version.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-25676US | high7.5 | — | ||
A vulnerability has been identified in RUGGEDCOM RM1224 (V6.3), SCALANCE M-800 (V6.3), SCALANCE S615 (V6.3), SCALANCE SC-600 (All Versions >= V2.1 and < V2.1.3). Multiple failed SS… | ||||
references
External citations — patches, advisories, analysis.
remediations (8)
- MitigationRUGGEDCOM RM1224
Configure the built-in firewall to only allow SSH incoming connections from trusted IP addresses
- MitigationSCALANCE M-800
Configure the built-in firewall to only allow SSH incoming connections from trusted IP addresses
- MitigationSCALANCE S615
Configure the built-in firewall to only allow SSH incoming connections from trusted IP addresses
- MitigationSCALANCE SC-600
Configure the built-in firewall to only allow SSH incoming connections from trusted IP addresses
- FixedRUGGEDCOM RM1224
Update to V6.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109794349/ - FixedSCALANCE M-800
Update to V6.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109794349/ - FixedSCALANCE S615
Update to V6.4 or later version
https://support.industry.siemens.com/cs/ww/en/view/109794349/ - FixedSCALANCE SC-600
Update to V2.1.3 or later version
https://support.industry.siemens.com/cs/ww/en/view/109793041/
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