CVE-2022-34820
8.4 · HIGHOverview
CVE-2022-34820 is a high-severity vulnerability affecting siemens simatic_cp_1242-7_v2_firmware. It was published on July 12, 2022 and has a CVSS 3.1 base score of 8.4 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical 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 cu
Remediation
Check the references section for vendor advisories and patches from siemens. Update simatic_cp_1242-7_v2_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| siemens | simatic_cp_1242-7_v2_firmware | >= 0, < 3.3.46 | Affected |
| siemens | simatic_cp_1243-1_firmware | >= 0, < 3.3.46 | Affected |
| siemens | simatic_cp_1243-7_lte_eu_firmware | >= 0, < 3.3.46 | Affected |
| siemens | simatic_cp_1243-7_lte_us_firmware | >= 0, < 3.3.46 | Affected |
| siemens | simatic_cp_1243-8_irc_firmware | >= 0, < 3.3.46 | Affected |
| siemens | simatic_cp_1542sp-1_irc_firmware | >= 2.0, < 2.2.28 | Affected |
| siemens | simatic_cp_1543-1_firmware | >= 0, < 3.0.22 | Affected |
| siemens | simatic_cp_1543sp-1_firmware | >= 2.0, < 2.2.28 | Affected |
| siemens | siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware | >= 2.0, < 2.2.28 | Affected |
| siemens | siplus_et_200sp_cp_1543sp-1_isec_firmware | >= 2.0, < 2.2.28 | Affected |
Frequently Asked Questions
What is CVE-2022-34820?
CVE-2022-34820 is a high-severity vulnerability affecting siemens simatic_cp_1242-7_v2_firmware. It was published on July 12, 2022 and has a CVSS 3.1 base score of 8.4 (HIGH).
How severe is CVE-2022-34820?
This vulnerability has a CVSS 3.1 base score of 8.4, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-34820?
Check the references section for vendor advisories and patches from siemens. Update simatic_cp_1242-7_v2_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-34820?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-34820 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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