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CVE record · CVE-2021-42018

Heap-based buffer overflow in Siemens RUGGEDCOM i800 and others

CVSS 5.9 MediumEPSS 0.010 · 63rd percentile

Published by the CVE Program (CNA: siemens) at 8 Mar 2022, 11:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Siemens RUGGEDCOM i800
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM i800NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM i801
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM i801NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM i802
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM i802NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM i803
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM i803NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM M2100
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM M2100F
  • affected before * custom
Other versions: unknown
Siemens RUGGEDCOM M2100NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM M2200
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM M2200F
  • affected before * custom
Other versions: unknown
Siemens RUGGEDCOM M2200NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM M969
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM M969F
  • affected before * custom
Other versions: unknown
Siemens RUGGEDCOM M969NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RMC30
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RMC30NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RMC8388 V4.X
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RMC8388 V5.X
  • affected before V5.6.0 custom
Other versions: unknown
Siemens RUGGEDCOM RMC8388NC V4.X
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RMC8388NC V5.X
  • affected before V5.6.0 custom
Other versions: unknown
Siemens RUGGEDCOM RP110
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RP110NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS1600
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS1600F
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS1600FNC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS1600NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS1600T
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS1600TNC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS400
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS400F
  • affected before * custom
Other versions: unknown
Siemens RUGGEDCOM RS400NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS401
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS401NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS416
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS416F
  • affected before * custom
Other versions: unknown
Siemens RUGGEDCOM RS416NC
  • affected before V4.3.8 custom
Other versions: unknown
Siemens RUGGEDCOM RS416NCv2 V4.X
  • affected before V4.3.8 custom
Other versions: unknown

And 112 more products. The full list is on the CVE record.

Identifiers
CVE-2021-42018
CNA
siemens
Weakness (CWE)
CWE-122
Tags
Published
8 Mar 2022
Updated
12 Aug 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.9 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H/E:P/RL:O/RC:C CNA (siemens)
  • CISA KEV Not listed.
  • EPSS 0.010, the 63rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 8 Mar 2022. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.