CVE Vulnerability

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).

7.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link 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
Configurations

Configuration 1
Information

Published : 2021-05-12 02:15

Updated : 2021-05-21 02:03

NVD link : CVE-2020-28393

Mitre link : CVE-2020-28393

Products Affected

Scalance Xr552 Firmware

Siemens

CWE
CWE-682