PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier: Improper path sanitation vulnerability.
Priority LOW 36CWE-22Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
In PHOENIX CONTACT PLCnext Engineer version 2020.3.1 and earlier an improper path sanitation vulnerability exists on import of project files.
Why it matters now
EPSS 0.004 34th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Phoenix Contact | PLCnext Engineer | up to 2020.3.1 | — | No fix listed | CNA |
- PLCnext Engineer VendorPhoenix Contact Affected up to 2020.3.1 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:phoenixcontact:plcnext_engineer:*:*:*:*:*:*:*:* | up to 2020-3-1 | Vulnerable | Phoenixcontact |
- cpe:2.3:a:phoenixcontact:plcnext_engineer:*:*:*:*:*:*:*:* Versions up to 2020-3-1 Vulnerable ·Phoenixcontact
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-12499
- 2026-10-03 Alias added: GHSA-7wjc-2c4g-g553
References
More Phoenix Contact vulnerabilities
- TI-2014-07463 Phoenix Contact Software ProConOs and MultiProg Missing Authentication for Critical Function CVSS 2.0CRITICAL 10.0
- TI-2024-17093 PHOENIX CONTACT: Remote code execution in CHARX Series CVSS 3.1CRITICAL 9.8
- TI-2022-13692 Insufficient Verification of Data Vulnerability in PHOENIX CONTACT classic line industrial controllers CVSS 3.1CRITICAL 9.8
- TI-2026-21959 Remote code execution via uploading a malicious IODD file CVSS 3.1CRITICAL 9.8
- TI-2026-21940 Authentication Bypass in _account_log CVSS 3.1CRITICAL 9.8
- TI-2023-03334 PHOENIX CONTACT: OS Command Injection in WP 6xxx Web panels CVSS 3.1CRITICAL 10.0
Sources
- CVE-2020-12499 · CVE Program
- CVE-2020-12499 · NVD
- FIRST EPSS
- GHSA-7wjc-2c4g-g553 · GitHub Advisory Database · CC BY 4.0
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