CVE & CISA-KEV Catalog

CVE-2020-28393

HIGHEPSS 73th pctl
7.5
CVSS v3
NVD

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).

CWE-682

How to fix

Remediation Available
scalance xm-400 firmwareNVD
Affected:< 6.4Fixed in:6.4CVE-2020-28393derived from NVD
scalance xm408-4c firmwareNVD
Affected:< 6.4Fixed in:6.4CVE-2020-28393derived from NVD
scalance xm408-4c l3 firmwareNVD
Affected:< 6.4Fixed in:6.4CVE-2020-28393derived from NVD
scalance xm408-8c firmwareNVD
Affected:< 6.4Fixed in:6.4CVE-2020-28393derived from NVD
scalance xm408-8c l3 firmwareNVD
Affected:< 6.4Fixed in:6.4CVE-2020-28393derived from NVD
scalance xm416-4c firmwareNVD
Affected:< 6.4Fixed in:6.4CVE-2020-28393derived from NVD
scalance xm416-4c l3 firmwareNVD
Affected:< 6.4Fixed in:6.4CVE-2020-28393derived from NVD
scalance xr524 firmwareNVD
Affected:< 6.4Fixed in:6.4CVE-2020-28393derived from NVD
scalance xr526 firmwareNVD
Affected:< 6.4Fixed in:6.4CVE-2020-28393derived from NVD
scalance xr528 firmwareNVD
Affected:< 6.4Fixed in:6.4CVE-2020-28393derived from NVD
scalance xr552 firmwareNVD
Affected:< 6.4Fixed in:6.4CVE-2020-28393derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

1.63%probability of exploitation in 30 days
73rdpercentile

Elevated risk: more likely to be exploited than 73% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.