CVE-2022-34820

Summary

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). The application does not correctly escape some user provided fields during the authentication process. This could allow an attacker to inject custom commands and execute arbitrary code with elevated privileges.

Affected Software

VendorProductVersion RangeStatus
SiemensSIMATIC CP 1242-7 V2All versions < V3.3.46affected
SiemensSIMATIC CP 1243-1All versions < V3.3.46affected
SiemensSIMATIC CP 1243-7 LTE EUAll versions < V3.3.46affected
SiemensSIMATIC CP 1243-7 LTE USAll versions < V3.3.46affected
SiemensSIMATIC CP 1243-8 IRCAll versions < V3.3.46affected
SiemensSIMATIC CP 1542SP-1 IRCAll versions >= V2.0 < V2.2.28affected
SiemensSIMATIC CP 1543-1All versions < V3.0.22affected
SiemensSIMATIC CP 1543SP-1All versions >= V2.0 < V2.2.28affected
SiemensSIPLUS ET 200SP CP 1542SP-1 IRC TX RAILAll versions >= V2.0 < V2.2.28affected
SiemensSIPLUS ET 200SP CP 1543SP-1 ISECAll versions >= V2.0 < V2.2.28affected
SiemensSIPLUS ET 200SP CP 1543SP-1 ISEC TX RAILAll versions >= V2.0 < V2.2.28affected
SiemensSIPLUS NET CP 1242-7 V2All versions < V3.3.46affected
SiemensSIPLUS NET CP 1543-1All versions < V3.0.22affected
SiemensSIPLUS S7-1200 CP 1243-1All versions < V3.3.46affected
SiemensSIPLUS S7-1200 CP 1243-1 RAILAll versions < V3.3.46affected

Weaknesses

  • CWE-77: CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References