Siemens Capital Embedded AR Classic 431-422

CVE-2021-31346

HIGH 8.2

At a glance

Source: NVD
EPSS: EPSS 1.97 % · percentile 80 (2026-10-31)
State: PUBLISHED
Published: 2021-11-09 11:31 UTC
Updated: 2025-03-11 09:47 UTC
Assigner: siemens
NVD status: Modified

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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)

Weaknesses (CWE)

CWE-1284 — Improper Validation of Specified Quantity in Input

References

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H	siemens
CVSS 3.1	HIGH 8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H	NVD · productcert@siemens.com (Secondary)
CVSS 3.1	CRITICAL 9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 6.4	AV:N/AC:L/Au:N/C:P/I:N/A:P	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2021-18256
GCVE · GCVE-0-2021-31346

CERT-FR advisories

CERTFR-2022-AVI-216 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
CERTFR-2022-AVI-018 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
CERTFR-2022-AVI-002 — Multiples vulnérabilités dans Google Android · cert.ssi.gouv.fr
CERTFR-2021-AVI-949 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
CERTFR-2021-AVI-854 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:siemens:capital_vstar:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:nucleus_net:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:nucleus_readystart_v3:*:*:*:*:*:*:*:* < 2017.02.1
cpe:2.3:a:siemens:nucleus_readystart_v4:*:*:*:*:*:*:*:* < 4.1.1
cpe:2.3:a:siemens:nucleus_source_code:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:apogee_modular_building_controller_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:apogee_modular_equiment_controller_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:apogee_pxc_compact_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:apogee_pxc_modular_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:talon_tc_compact_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:talon_tc_modular_firmware:*:*:*:*:*:*:*:*

Affected products

Product	Versions
Siemens · Capital Embedded AR Classic 431-422	affected 0 < *
Siemens · Capital Embedded AR Classic R20-11	affected 0 < V2303
Siemens · PLUSCONTROL 1st Gen	affected All versions
Siemens · SIMOTICS CONNECT 400	affected All versions < V0.5.0.0
Siemens · SIMOTICS CONNECT 400	affected All versions < V1.0.0.0

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

⚠️ Siemens Capital Embedded AR Classic 431-422