CVE-2022-33138
Last modified
CVE-2022-33138 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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). Affected devices do not perform authentication for several web API endpoints. EPSS estimates a 1.15% chance of exploitation in the next 30 days.
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). Affected devices do not perform authentication for several web API endpoints. This could allow an unauthenticated remote attacker to read and download data from the device.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Simatic Mv540 H Firmware | < 3.3 |
| Siemens | Simatic Mv540 S Firmware | < 3.3 |
| Siemens | Simatic Mv550 H Firmware | < 3.3 |
| Siemens | Simatic Mv550 S Firmware | < 3.3 |
| Siemens | Simatic Mv560 U Firmware | < 3.3 |
| Siemens | Simatic Mv560 X Firmware | < 3.3 |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-348662.pdfPatch, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-348662.pdfPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-33138?
How severe is CVE-2022-33138?
How do I fix CVE-2022-33138?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2022
- CVE-2022-33122A stored cross-site scripting (XSS) vulnerability in eyoucms…4.8
- CVE-2022-33124AIOHTTP 3.8.1 can report a "ValueError: Invalid IPv6 URL" ou…5.5
- CVE-2022-33127The function that calls the diff tool in Diffy 3.4.1 does no…9.8
- CVE-2022-33128RG-EG series gateway EG350 EG_RGOS 11.1(6) was discovered to…9.1
- CVE-2022-3313Incorrect security UI in full screen in Google Chrome prior …6.5
- CVE-2022-33137A vulnerability has been identified in SIMATIC MV540 H (All …8
- CVE-2022-33139A vulnerability has been identified in Cerberus DMS (All ver…9.8
- CVE-2022-3314Use after free in logging in Google Chrome prior to 106.0.52…6.5
- CVE-2022-33140The optional ShellUserGroupProvider in Apache NiFi 1.10.0 to…8.8
- CVE-2022-33141Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2022-33142Authenticated (subscriber+) Denial Of Service (DoS) vulnerab…6.5
- CVE-2022-33143Rejected reason: This CVE ID has been rejected or withdrawn …
Are you affected by CVE-2022-33138?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST