Vulnerability in Siemens Scalance Xm-400
CVE-2020-28393
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: 0.016 (73.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Siemens Scalance_xm-400
- Siemens Scalance_xm-400_firmware
- Siemens Scalance_xm408-4c
- Siemens Scalance_xm408-4c_firmware
- Siemens Scalance_xm408-4c_l3
- Siemens Scalance_xm408-4c_l3_firmware
- Siemens Scalance_xm408-8c
- Siemens Scalance_xm408-8c_firmware
- Siemens Scalance_xm408-8c_l3
- Siemens Scalance_xm408-8c_l3_firmware
Weakness classification (CWE)
References
- productcert@siemens.com (US Government Resource, Third Party Advisory, x_refsource_MISC)
- productcert@siemens.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-28393?
- CVE-2020-28393 is a high-severity vulnerability in Siemens Scalance Xm-400, classified under Incorrect Calculation. CVSS score: 7.5/10. Published 2021-05-12.
- How severe is CVE-2020-28393?
- High severity. CVSS v3 base score is 7.5 out of 10.