CVE-2022-33137
8.0 · HIGHOverview
CVE-2022-33137 is a high-severity vulnerability affecting siemens simatic_mv540_h_firmware. It was published on July 12, 2022 and has a CVSS 3.1 base score of 8.0 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3), SIMATIC MV540 S (All versions < V3.3), SIMATIC MV550 H (All versions < V3.3), SIMATIC MV550 S (All versions < V3.3), SIMATIC MV560 U (All versions < V3.3), SIMATIC MV560 X (All versions < V3.3). The web session management of affected devices does not invalidate session ids in certain logout scenarios. This could allow an authenticated remote attacker to hijack other users' sessions.
Remediation
Check the references section for vendor advisories and patches from siemens. Update simatic_mv540_h_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_mv540_h_firmware | >= 0, < 3.3 | Affected |
| siemens | simatic_mv540_s_firmware | >= 0, < 3.3 | Affected |
| siemens | simatic_mv550_h_firmware | >= 0, < 3.3 | Affected |
| siemens | simatic_mv550_s_firmware | >= 0, < 3.3 | Affected |
| siemens | simatic_mv560_u_firmware | >= 0, < 3.3 | Affected |
| siemens | simatic_mv560_x_firmware | >= 0, < 3.3 | Affected |
Frequently Asked Questions
What is CVE-2022-33137?
CVE-2022-33137 is a high-severity vulnerability affecting siemens simatic_mv540_h_firmware. It was published on July 12, 2022 and has a CVSS 3.1 base score of 8.0 (HIGH).
How severe is CVE-2022-33137?
This vulnerability has a CVSS 3.1 base score of 8.0, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-33137?
Check the references section for vendor advisories and patches from siemens. Update simatic_mv540_h_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-2022-33137?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-33137 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.
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Browser-based exploitation validates findings with real proof-of-concept.
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