CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2020-28393
High (7.5) in siemens. EPSS 1.6% chance of exploitation in the next 30 days.
An unauthenticated remote attacker could create a permanent denial-of-service condition by sending specially crafted OSPF packets. Successful exploitation requires OSPF to be enabled on an affected device on the SCALANCE XM-400, XR-500 (All versions prior to v6.4).
Severity
- EPSS
- 1.6% chance of exploitation in the next 30 days; higher than 76% of CVEs (scores of 2026-10-31)
- CWE
- CWE-682
- Published
- Modified
- Record from
- the NVD, synced
Affected
- siemens:scalance_xm-400_firmware
- siemens:scalance_xm408-4c_firmware
- siemens:scalance_xm408-4c_l3_firmware
- siemens:scalance_xm408-8c_firmware
- siemens:scalance_xm408-8c_l3_firmware
- siemens:scalance_xm416-4c_firmware
- siemens:scalance_xm416-4c_l3_firmware
- siemens:scalance_xr524_firmware
- siemens:scalance_xr526_firmware
- siemens:scalance_xr528_firmware
- siemens:scalance_xr552_firmware