CVE-2021-31344

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). ICMP echo packets with fake IP options allow sending ICMP echo reply messages to arbitrary hosts on the network. (FSMD-2021-0004)

Category

6.9
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.91% Top 30%
Vendor Advisory siemens.com Vendor Advisory siemens.com
Affected: Siemens Capital Embedded AR Classic 431-422
Affected: Siemens Capital Embedded AR Classic R20-11
Affected: Siemens PLUSCONTROL 1st Gen
Affected: Siemens SIMOTICS CONNECT 400
Affected: Siemens SIMOTICS CONNECT 400
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-114589.pdf vendor advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-044112.pdf vendor advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-620288.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-845392.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-223353.pdf
https://cert-portal.siemens.com/productcert/html/ssa-114589.html
https://cert-portal.siemens.com/productcert/html/ssa-044112.html
https://cert-portal.siemens.com/productcert/html/ssa-620288.html
https://cert-portal.siemens.com/productcert/html/ssa-845392.html
https://cert-portal.siemens.com/productcert/html/ssa-223353.html

Frequently Asked Questions

What is the severity of CVE-2021-31344?
CVE-2021-31344 has been scored as a medium severity vulnerability.
How to fix CVE-2021-31344?
To fix CVE-2021-31344, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-31344 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-31344 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-31344?
CVE-2021-31344 affects Siemens Capital Embedded AR Classic 431-422, Siemens Capital Embedded AR Classic R20-11, Siemens PLUSCONTROL 1st Gen, Siemens SIMOTICS CONNECT 400, Siemens SIMOTICS CONNECT 400.
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