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).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
siemensCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 66%
VendorProductVersion
siemensscalance_xm-400_firmware
𝑥
< 6.4
siemensscalance_xr524_firmware
𝑥
< 6.4
siemensscalance_xr526_firmware
𝑥
< 6.4
siemensscalance_xr528_firmware
𝑥
< 6.4
siemensscalance_xr552_firmware
𝑥
< 6.4
siemensscalance_xm416-4c_firmware
𝑥
< 6.4
siemensscalance_xm408-8c_firmware
𝑥
< 6.4
siemensscalance_xm408-4c_firmware
𝑥
< 6.4
siemensscalance_xm416-4c_l3_firmware
𝑥
< 6.4
siemensscalance_xm408-8c_l3_firmware
𝑥
< 6.4
siemensscalance_xm408-4c_l3_firmware
𝑥
< 6.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://cert-portal.siemens.com/productcert/pdf/ssa-116379.pdf
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-10
https://cert-portal.siemens.com/productcert/pdf/ssa-116379.pdf
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-10