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CVE record · CVE-2022-43768

Resource allocation without limits in Siemens SIMATIC CP 1242-7 V2 and others

CVSS 7.5 HighEPSS 0.0095 · 61st percentile

Published by the CVE Program (CNA: siemens) at 11 Apr 2023, 09:02 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 CP 1242-7 V2
  • affected before V3.4.29 custom
Other versions: unknown
Siemens SIMATIC CP 1243-1
  • affected before V3.4.29 custom
Other versions: unknown
Siemens SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants)
  • affected before V3.4.29 custom
Other versions: unknown
Siemens SIMATIC CP 1243-1 IEC (incl. SIPLUS variants)
  • affected before V3.4.29 custom
Other versions: unknown
Siemens SIMATIC CP 1243-7 LTE EU
  • affected before V3.4.29 custom
Other versions: unknown
Siemens SIMATIC CP 1243-7 LTE US
  • affected before V3.4.29 custom
Other versions: unknown
Siemens SIMATIC CP 1243-8 IRC
  • affected before V3.4.29 custom
Other versions: unknown
Siemens SIMATIC CP 1542SP-1
  • affected before V2.3 custom
Other versions: unknown
Siemens SIMATIC CP 1542SP-1 IRC
  • affected before V2.3 custom
Other versions: unknown
Siemens SIMATIC CP 1543SP-1
  • affected before V2.3 custom
Other versions: unknown
Siemens SIMATIC CP 443-1
  • affected before V3.3 custom
Other versions: unknown
Siemens SIMATIC CP 443-1
  • affected before V3.3 custom
Other versions: unknown
Siemens SIMATIC CP 443-1 Advanced
  • affected before V3.3 custom
Other versions: unknown
Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL
  • affected before V2.3 custom
Other versions: unknown
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC
  • affected before V2.3 custom
Other versions: unknown
Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL
  • affected before V2.3 custom
Other versions: unknown
Siemens SIPLUS NET CP 1242-7 V2
  • affected before V3.4.29 custom
Other versions: unknown
Siemens SIPLUS NET CP 443-1
  • affected before V3.3 custom
Other versions: unknown
Siemens SIPLUS NET CP 443-1 Advanced
  • affected before V3.3 custom
Other versions: unknown
Siemens SIPLUS S7-1200 CP 1243-1
  • affected before V3.4.29 custom
Other versions: unknown
Siemens SIPLUS S7-1200 CP 1243-1 RAIL
  • affected before V3.4.29 custom
Other versions: unknown
Siemens SIPLUS TIM 1531 IRC
  • affected before V2.3.6 custom
Other versions: unknown
Siemens TIM 1531 IRC
  • affected before V2.3.6 custom
Other versions: unknown
Identifiers
CVE-2022-43768
CNA
siemens
Weakness (CWE)
CWE-770
Tags
Published
11 Apr 2023
Updated
7 Feb 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
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C CNA (siemens)
  • CISA KEV Not listed.
  • EPSS 0.0095, the 61st 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 11 Apr 2023. 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.