CVEvulnerability
CVE-2020-28393
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-05-12
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 7.1 HIGH — AV:N/AC:M/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-682
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).
Affected configurations
• 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)
Related
Weakness · CWE (1)
- CWE-682 Incorrect Calculation weakness
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-116379.pdf Vendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-10 Third Party Advisory, US Government Resource
- https://cert-portal.siemens.com/productcert/pdf/ssa-116379.pdf Vendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-10 Third Party Advisory, US Government Resource