CVE-2020-28393
Last modified
CVE-2020-28393 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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).. EPSS estimates a 1.63% chance of exploitation in the next 30 days.
Description
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).
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Scalance Xm-400 Firmware | < 6.4 |
| Siemens | Scalance Xr524 Firmware | < 6.4 |
| Siemens | Scalance Xr526 Firmware | < 6.4 |
| Siemens | Scalance Xr528 Firmware | < 6.4 |
| Siemens | Scalance Xr552 Firmware | < 6.4 |
| Siemens | Scalance Xm416-4c Firmware | < 6.4 |
| Siemens | Scalance Xm408-8c Firmware | < 6.4 |
| Siemens | Scalance Xm408-4c Firmware | < 6.4 |
| Siemens | Scalance Xm416-4c L3 Firmware | < 6.4 |
| Siemens | Scalance Xm408-8c L3 Firmware | < 6.4 |
| Siemens | Scalance Xm408-4c L3 Firmware | < 6.4 |
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-10Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-10Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
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