CVE-2020-28393
First published: Wed May 12 2021(Updated: )
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).
Credit: productcert@siemens.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Siemens Scalance Xm-400 Firmware | <6.4 | |
| Siemens Scalance Xm-400 | ||
| Siemens Scalance Xr524 Firmware | <6.4 | |
| Siemens Scalance Xr524 | ||
| Siemens Scalance Xr526 Firmware | <6.4 | |
| Siemens Scalance Xr526 | ||
| Siemens Scalance Xr528 Firmware | <6.4 | |
| Siemens Scalance Xr528 | ||
| Siemens Scalance Xr552 Firmware | <6.4 | |
| Siemens Scalance Xr552 | ||
| Siemens Scalance Xm416-4c Firmware | <6.4 | |
| Siemens Scalance Xm416-4c | ||
| Siemens Scalance Xm408-8c Firmware | <6.4 | |
| Siemens Scalance Xm408-8c | ||
| Siemens Scalance Xm408-4c Firmware | <6.4 | |
| Siemens Scalance Xm408-4c | ||
| Siemens Scalance Xm416-4c L3 Firmware | <6.4 | |
| Siemens Scalance Xm416-4c L3 | ||
| Siemens Scalance Xm408-8c L3 Firmware | <6.4 | |
| Siemens Scalance Xm408-8c L3 | ||
| Siemens Scalance Xm408-4c L3 Firmware | <6.4 | |
| Siemens Scalance Xm408-4c L3 | ||
| Siemens SCALANCE XM-400 Family | <6.4 | 6.4 |
| Siemens SCALANCE XR-500 Family | <6.4 | 6.4 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-28393?
CVE-2020-28393 is a vulnerability that could allow an unauthenticated remote attacker to create a permanent denial-of-service condition on affected Siemens SCALANCE XM-400 and XR-500 devices prior to version 6.4.
How severe is CVE-2020-28393?
CVE-2020-28393 has a severity value of 7.5, indicating a high severity.
Which devices are affected by CVE-2020-28393?
Siemens SCALANCE XM-400 and XR-500 devices prior to version 6.4 are affected by CVE-2020-28393.
How can an attacker exploit CVE-2020-28393?
An unauthenticated remote attacker can exploit CVE-2020-28393 by sending specially crafted OSPF packets.
Are there any fixes available for CVE-2020-28393?
The affected devices can be fixed by updating to version 6.4 of Siemens SCALANCE XM-400 and XR-500 firmware.
- collector/nvd-index
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/author
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/references
- agent/severity
- agent/event
- collector/ics-cert-advisory
- source/ICS
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/tags
- agent/softwarecombine
- agent/trending
- vendor/siemens
- canonical/siemens scalance xm-400 firmware
- canonical/siemens scalance xm-400
- canonical/siemens scalance xr524 firmware
- canonical/siemens scalance xr524
- canonical/siemens scalance xr526 firmware
- canonical/siemens scalance xr526
- canonical/siemens scalance xr528 firmware
- canonical/siemens scalance xr528
- canonical/siemens scalance xr552 firmware
- canonical/siemens scalance xr552
- canonical/siemens scalance xm416-4c firmware
- canonical/siemens scalance xm416-4c
- canonical/siemens scalance xm408-8c firmware
- canonical/siemens scalance xm408-8c
- canonical/siemens scalance xm408-4c firmware
- canonical/siemens scalance xm408-4c
- canonical/siemens scalance xm416-4c l3 firmware
- canonical/siemens scalance xm416-4c l3
- canonical/siemens scalance xm408-8c l3 firmware
- canonical/siemens scalance xm408-8c l3
- canonical/siemens scalance xm408-4c l3 firmware
- canonical/siemens scalance xm408-4c l3
- canonical/siemens scalance xm-400 family
- canonical/siemens scalance xr-500 family