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…

Description

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.

Scores

EPSS (exploitation in 30 days)

2.2% · top 17% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.4.

Weakness

• CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') (opens in a new tab)All about CWE-77 and its CVEs
• CWE-116 (opens in a new tab)All about CWE-116 and its CVEs

Affected products

• Siemens · SIMATIC CP 1242-7 V2

  • affected All versions < V3.3.46

• Siemens · SIMATIC CP 1243-1

  • affected All versions < V3.3.46

• Siemens · SIMATIC CP 1243-7 LTE EU

  • affected All versions < V3.3.46

• Siemens · SIMATIC CP 1243-7 LTE US

  • affected All versions < V3.3.46

• Siemens · SIMATIC CP 1243-8 IRC

  • affected All versions < V3.3.46

• Siemens · SIMATIC CP 1542SP-1 IRC

  • affected All versions >= V2.0 < V2.2.28

• Siemens · SIMATIC CP 1543-1

  • affected All versions < V3.0.22

• Siemens · SIMATIC CP 1543SP-1

  • affected All versions >= V2.0 < V2.2.28

• Siemens · SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL

  • affected All versions >= V2.0 < V2.2.28

• Siemens · SIPLUS ET 200SP CP 1543SP-1 ISEC

  • affected All versions >= V2.0 < V2.2.28

• Siemens · SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL

  • affected All versions >= V2.0 < V2.2.28

• Siemens · SIPLUS NET CP 1242-7 V2

  • affected All versions < V3.3.46

• Siemens · SIPLUS NET CP 1543-1

  • affected All versions < V3.0.22

• Siemens · SIPLUS S7-1200 CP 1243-1

  • affected All versions < V3.3.46

• Siemens · SIPLUS S7-1200 CP 1243-1 RAIL

  • affected All versions < V3.3.46

References (1)

• https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2022-34820](https://trackcve.app/badge/CVE-2022-34820.svg)](https://trackcve.app/cve/CVE-2022-34820)

Record last updated 21 Apr 2025, 13:51 UTC.