Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-28393

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
12/05/2021
Last modified:
21/05/2021

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).

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
7.10
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:siemens:scalance_xm-400_firmware:*:*:*:*:*:*:*:* 6.4 (excluding)
cpe:2.3:h:siemens:scalance_xm-400:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_xr524_firmware:*:*:*:*:*:*:*:* 6.4 (excluding)
cpe:2.3:h:siemens:scalance_xr524:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_xr526_firmware:*:*:*:*:*:*:*:* 6.4 (excluding)
cpe:2.3:h:siemens:scalance_xr526:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_xr528_firmware:*:*:*:*:*:*:*:* 6.4 (excluding)
cpe:2.3:h:siemens:scalance_xr528:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_xr552_firmware:*:*:*:*:*:*:*:* 6.4 (excluding)
cpe:2.3:h:siemens:scalance_xr552:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_xm416-4c_firmware:*:*:*:*:*:*:*:* 6.4 (excluding)
cpe:2.3:h:siemens:scalance_xm416-4c:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_xm408-8c_firmware:*:*:*:*:*:*:*:* 6.4 (excluding)
cpe:2.3:h:siemens:scalance_xm408-8c:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:scalance_xm408-4c_firmware:*:*:*:*:*:*:*:* 6.4 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools