CVE-2021-31346

critical

Description

A vulnerability has been identified in Capital Embedded AR Classic 431-422 (All versions), Capital Embedded AR Classic R20-11 (All versions < V2303), PLUSCONTROL 1st Gen (All versions), SIMOTICS CONNECT 400 (All versions < V0.5.0.0), SIMOTICS CONNECT 400 (All versions < V1.0.0.0). The total length of an ICMP payload (set in the IP header) is unchecked. This may lead to various side effects, including Information Leak and Denial-of-Service conditions, depending on the network buffer organization in memory. (FSMD-2021-0007)

References

https://www.tenable.com/cyber-exposure/2021-threat-landscape-retrospective

https://www.tenable.com/blog/nucleus13-13-vulnerabilities-found-in-siemens-nucleus-tcpip-stack

https://cert-portal.siemens.com/productcert/pdf/ssa-845392.pdf

https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf

https://cert-portal.siemens.com/productcert/pdf/ssa-223353.pdf

https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf

https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf

https://cert-portal.siemens.com/productcert/html/ssa-845392.html

https://cert-portal.siemens.com/productcert/html/ssa-620288.html

https://cert-portal.siemens.com/productcert/html/ssa-223353.html

https://cert-portal.siemens.com/productcert/html/ssa-114589.html

https://cert-portal.siemens.com/productcert/html/ssa-044112.html

Details

Source: Mitre, NVD

Published: 2021-11-09

Updated: 2024-10-08

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Severity: Critical