CVE-2020-15783
Last modified
CVE-2020-15783 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). EPSS estimates a 1.60% chance of exploitation in the next 30 days.
Description
A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Sinumerik 840d Sl Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 312 Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 314 Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 315-2 Dp Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 315-2 Pn Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 317-2 Pn Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 317-2 Dp Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 315f-2 Dp Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 315f-2 Pn Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 317f-2 Pn Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 317f-2 Dp Firmware | All versions |
| Siemens | Simatic Tdc Cpu555 Firmware | All versions |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdfMitigation, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-492828.pdfMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-15783?
How severe is CVE-2020-15783?
How do I fix CVE-2020-15783?
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 2020
- CVE-2020-15778scp in OpenSSH through 8.3p1 allows command injection in the…7.4
- CVE-2020-15779A Path Traversal issue was discovered in the socket.io-file …7.5
- CVE-2020-1578An information disclosure vulnerability exists in the Window…4.7
- CVE-2020-15780An issue was discovered in drivers/acpi/acpi_configfs.c in t…6.7
- CVE-2020-15781A vulnerability has been identified in SICAM WEB firmware fo…9.6
- CVE-2020-15782A vulnerability has been identified in SIMATIC Drive Control…9.8
- CVE-2020-15784A vulnerability has been identified in Spectrum Power 4 (All…5.3
- CVE-2020-15785A vulnerability has been identified in Siveillance Video Cli…5.3
- CVE-2020-15786A vulnerability has been identified in SIMATIC HMI Basic Pan…9.8
- CVE-2020-15787A vulnerability has been identified in SIMATIC HMI Unified C…9.8
- CVE-2020-15788A vulnerability has been identified in Polarion Subversion W…6.1
- CVE-2020-15789A vulnerability has been identified in Polarion Subversion W…8.1
Are you affected by CVE-2020-15783?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST