CVE-2023-46143
Phoenix Contact: Classic line industrial controllers prone to inadequate integrity check of PLC
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Phoenix Contact: Classic line industrial controllers prone to inadequate integrity check of PLC
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.
- Record
CVE-2023-46143- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-494
- Updated
- 2026-11-02
EUVDEUVD-2023-50386
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.
- Record
EUVD-2023-50386- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-frfw-grgg-284c
Download of Code Without Integrity Check vulnerability in PHOENIX CONTACT classic line PLCs...
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.
- Record
GHSA-frfw-grgg-284c- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-494
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-46143- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-494
- Updated
- 2026-11-02
Affected products
- phoenix contact automation worx software suite
- phoenix contact axc 1050
- phoenix contact axc 1050 xc
- phoenix contact axc 3050
- phoenix contact config+
- phoenix contact fc 350 pci eth
- phoenix contact ilc 3xx
- phoenix contact ilc1x0
- phoenix contact ilc1x1
- phoenix contact pc worx
- phoenix contact pc worx express
- phoenix contact pc worx rt basic
Show 24 moreShow less
- phoenix contact pc worx srt
- phoenix contact rfc 430 eth-ib
- phoenix contact rfc 450 eth-ib
- phoenix contact rfc 460r pn 3tx
- phoenix contact rfc 470s pn 3tx
- phoenix contact rfc 480s pn 4tx
- phoenixcontact automationworx software suite
- phoenixcontact axc 1050 firmware
- phoenixcontact axc 1050 xc firmware
- phoenixcontact axc 3050 firmware
- phoenixcontact config\+
- phoenixcontact fc 350 pci eth firmware
- phoenixcontact ilc1x0 firmware
- phoenixcontact ilc1x1 firmware
- phoenixcontact ilc 3xx firmware
- phoenixcontact pc worx
- phoenixcontact pc worx express
- phoenixcontact pc worx rt basic firmware
- phoenixcontact pc worx srt
- phoenixcontact rfc 430 eth-ib firmware
- phoenixcontact rfc 450 eth-ib firmware
- phoenixcontact rfc 460r pn 3tx firmware
- phoenixcontact rfc 470s pn 3tx firmware
- phoenixcontact rfc 480s pn 4tx firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-46143 is a high vulnerability (CVSS 7.5) in Phoenix Contact Automation Worx Software Suite, published December 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. No source names a fixed version.