CVE-2022-34819
10.0 · CRITICALOverview
CVE-2022-34819 is a critical-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 10.0 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are 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 lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow.
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_1542sp-1_irc_firmware | 2.0 | Affected |
| siemens | simatic_cp_1543-1_firmware | >= 0, < 3.0.22 | Affected |
| siemens | simatic_cp_1543sp-1_firmware | 2.0 | Affected |
| siemens | siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware | 2.0 | Affected |
| siemens | siplus_et_200sp_cp_1543sp-1_isec_firmware | 2.0 | Affected |
Frequently Asked Questions
What is CVE-2022-34819?
CVE-2022-34819 is a critical-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 10.0 (CRITICAL).
How severe is CVE-2022-34819?
This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2022-34819?
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-2022-34819?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-34819 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.
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