CVE-2023-46143
HIGHCVSS 7.5/10EPSS 0.33%
Last modified
CVE-2023-46143 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Download of Code Without Integrity Check vulnerability in PHOENIX CONTACT classic line PLCs allows an unauthenticated remote attacker to modify some or all applications on a PLC.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.
Description
Download of Code Without Integrity Check vulnerability in PHOENIX CONTACT classic line PLCs allows an unauthenticated remote attacker to modify some or all applications on a PLC.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Phoenixcontact | Automationworx Software Suite | All versions |
| Phoenixcontact | Axc 1050 Firmware | All versions |
| Phoenixcontact | Axc 1050 Xc Firmware | All versions |
| Phoenixcontact | Axc 3050 Firmware | All versions |
| Phoenixcontact | Config\+ | All versions |
| Phoenixcontact | Fc 350 Pci Eth Firmware | All versions |
| Phoenixcontact | Ilc1x0 Firmware | All versions |
| Phoenixcontact | Ilc1x1 Firmware | All versions |
| Phoenixcontact | Ilc 3xx Firmware | All versions |
| Phoenixcontact | Pc Worx | All versions |
| Phoenixcontact | Pc Worx Express | All versions |
| Phoenixcontact | Pc Worx Rt Basic Firmware | All versions |
| Phoenixcontact | Pc Worx Srt | All versions |
| Phoenixcontact | Rfc 430 Eth-Ib Firmware | All versions |
| Phoenixcontact | Rfc 450 Eth-Ib Firmware | All versions |
| Phoenixcontact | Rfc 460r Pn 3tx Firmware | All versions |
| Phoenixcontact | Rfc 470s Pn 3tx Firmware | All versions |
| Phoenixcontact | Rfc 480s Pn 4tx Firmware | All versions |
References
- https://cert.vde.com/en/advisories/VDE-2023-057/Third Party Advisory
- https://cert.vde.com/en/advisories/VDE-2023-057/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-46143?
Download of Code Without Integrity Check vulnerability in PHOENIX CONTACT classic line PLCs allows an unauthenticated remote attacker to modify some or all applications on a PLC.
How severe is CVE-2023-46143?
CVE-2023-46143 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2023-46143?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
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Are you affected by CVE-2023-46143?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST