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CVE record · CVE-2021-31340

Uncontrolled resource consumption in Siemens SIMATIC RF166C and others

No CVSS scoreEPSS 0.0099 · 62nd percentile

Published by the CVE Program (CNA: siemens) at 8 Jun 2021, 19:47 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 SIMATIC RF166C
  • affected All versions > V1.1 and < V1.3.2
Siemens SIMATIC RF185C
  • affected All versions > V1.1 and < V1.3.2
Siemens SIMATIC RF186C
  • affected All versions > V1.1 and < V1.3.2
Siemens SIMATIC RF186CI
  • affected All versions > V1.1 and < V1.3.2
Siemens SIMATIC RF188C
  • affected All versions > V1.1 and < V1.3.2
Siemens SIMATIC RF188CI
  • affected All versions > V1.1 and < V1.3.2
Siemens SIMATIC RF360R
  • affected All versions < V2.0
Siemens SIMATIC Reader RF610R CMIIT
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF610R ETSI
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF610R FCC
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF615R CMIIT
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF615R ETSI
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF615R FCC
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF650R ARIB
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF650R CMIIT
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF650R ETSI
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF650R FCC
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF680R ARIB
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF680R CMIIT
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF680R ETSI
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF680R FCC
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF685R ARIB
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF685R CMIIT
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF685R ETSI
  • affected All versions > V3.0 < V4.0
Siemens SIMATIC Reader RF685R FCC
  • affected All versions > V3.0 < V4.0
Identifiers
CVE-2021-31340
CNA
siemens
Weakness (CWE)
CWE-400
Tags
Published
8 Jun 2021
Updated
3 Aug 2024

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

No source has published a CVSS score for this record yet.

  • CISA KEV Not listed.
  • EPSS 0.0099, the 62nd 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 Jun 2021. 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.