Vulnerability · Published Jul 13, 2021 · Assigned by siemens

CVE-2020-28400

High 7.5

In plain English

A high-severity resource allocation without limits in Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.9%top 20.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Affected devices contain a vulnerability that allows an unauthenticated attacker to trigger a denial of service condition. The vulnerability can be triggered if a large amount of DCP reset packets are sent to the device.

Affected products (as reported)

VendorProductVersions
Siemens Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller 0 – before *
Siemens Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200 0 – before *
Siemens Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P 0 – before V4.7
Siemens RUGGEDCOM RM1224 LTE(4G) EU 0 – before V6.4
Siemens RUGGEDCOM RM1224 LTE(4G) NAM 0 – before V6.4
Siemens SCALANCE M804PB 0 – before V6.4
Siemens SCALANCE M812-1 ADSL-Router 0 – before V6.4
Siemens SCALANCE M812-1 ADSL-Router 0 – before V6.4
Siemens SCALANCE M816-1 ADSL-Router 0 – before V6.4
Siemens SCALANCE M816-1 ADSL-Router 0 – before V6.4
Siemens SCALANCE M826-2 SHDSL-Router 0 – before V6.4
Siemens SCALANCE M874-2 0 – before V6.4
Siemens SCALANCE M874-3 0 – before V6.4
Siemens SCALANCE M874-3 3G-Router (CN) 0 – before V6.4
Siemens SCALANCE M876-3 0 – before V6.4
Siemens SCALANCE M876-3 (ROK) 0 – before V6.4
Siemens SCALANCE M876-4 0 – before V6.4
Siemens SCALANCE M876-4 (EU) 0 – before V6.4
Siemens SCALANCE M876-4 (NAM) 0 – before V6.4
Siemens SCALANCE MUM853-1 (A1) 0 – before V6.4
Siemens SCALANCE MUM853-1 (B1) 0 – before V6.4
Siemens SCALANCE MUM853-1 (EU) 0 – before V6.4
Siemens SCALANCE MUM856-1 (A1) 0 – before V6.4
Siemens SCALANCE MUM856-1 (B1) 0 – before V6.4
Siemens SCALANCE MUM856-1 (CN) 0 – before V6.4
Siemens SCALANCE MUM856-1 (EU) 0 – before V6.4
Siemens SCALANCE MUM856-1 (RoW) 0 – before V6.4
Siemens SCALANCE S615 EEC LAN-Router 0 – before V6.4
Siemens SCALANCE S615 LAN-Router 0 – before V6.4
Siemens SCALANCE W1748-1 M12 0 – before V3.0.0

Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References