Skip to content
Noroxi
NVD / CVE Program· CNA CERTVDE

CVE-2023-46143: Phoenix Contact: Classic line industrial controllers prone to inadequate integrity check of PLC

HighCVSS 7.5 · v3.1—No exploit No fix recorded

Noroxi assessment

Priority: Monitor (action score 30/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.33% (FIRST EPSS).
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • According to CISA the attack is automatable: targets can be found by mass scanning.
  • According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

Published
Dec 14, 2023
Updated
Jun 17, 2026
EPSS
0.3% · 26th percentile

Report tools

JSON

Action score

30

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
yes
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · CERTVDE
7.5
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2023-46143

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

One daily email digest (06:00 UTC); connect a webhook for KEV listings and weaponized exploits every 10 minutes on paid plans, on the hour on the free plan.

Your free account also gets you

  • CVE alerts: add the products and versions you run, get the new CVEs that affect them
  • Uptime monitoring: 1 site, instant email when it goes down
  • Add your domain: subdomains and takeover risk scanned every week (1 domain)
  • 10 scans an hour on the security tools, at most 30 a day (3 a day without an account), an API key and MCP
  • All your scans in one panel: findings, what changed in the last scan, a report per domain or per client (PDF, share link)
All free tools

Sign up with email · Have an account? Sign in

Free account, no card. Unfollow any time.

Don't want an account? Get "Exploited this week" by email every MondayDon't want an account? RSS feed for phoenixcontact records
Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

We use this product, ask for help

Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
phoenixcontactautomationworx software suite
phoenixcontactaxc 1050 firmware
phoenixcontactaxc 1050
phoenixcontactaxc 1050 xc firmware
phoenixcontactaxc 1050 xc
phoenixcontactaxc 3050 firmware
phoenixcontactaxc 3050
phoenixcontactconfig\+
phoenixcontactfc 350 pci eth firmware
phoenixcontactfc 350 pci eth
phoenixcontactilc1x0 firmware
phoenixcontactilc1x0

and 19 more

Versions reported by the vendor

Affected version ranges reported by the assigning authority (CERTVDE). Independent of NVD's CPE analysis and usually ahead of it.

  • PHOENIX CONTACT Automation Worx Software Suite

    • allaffected

  • PHOENIX CONTACT AXC 1050

    • allaffected

  • PHOENIX CONTACT AXC 1050 XC

    • allaffected

  • PHOENIX CONTACT AXC 3050

    • allaffected

  • PHOENIX CONTACT Config+

    • allaffected

  • PHOENIX CONTACT FC 350 PCI ETH

    • allaffected

  • PHOENIX CONTACT ILC 3xx

    • allaffected

  • PHOENIX CONTACT ILC1x0

    • allaffected

  • PHOENIX CONTACT ILC1x1

    • allaffected

  • PHOENIX CONTACT PC Worx

    • allaffected

  • PHOENIX CONTACT PC Worx Express

    • allaffected

  • PHOENIX CONTACT PC WORX RT BASIC

    • allaffected
Affected versions · NVD (18)

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • phoenixcontact automationworx software suiteall versions
  • phoenixcontact axc 1050 firmwareall versions
  • phoenixcontact axc 1050 xc firmwareall versions
  • phoenixcontact axc 3050 firmwareall versions
  • phoenixcontact config+all versions
  • phoenixcontact fc 350 pci eth firmwareall versions
  • phoenixcontact ilc 3xx firmwareall versions
  • phoenixcontact ilc1x0 firmwareall versions
  • phoenixcontact ilc1x1 firmwareall versions
  • phoenixcontact pc worxall versions
  • phoenixcontact pc worx expressall versions
  • phoenixcontact pc worx rt basic firmwareall versions
  • phoenixcontact pc worx srtall versions
  • phoenixcontact rfc 430 eth-ib firmwareall versions
  • phoenixcontact rfc 450 eth-ib firmwareall versions
  • phoenixcontact rfc 460r pn 3tx firmwareall versions
  • phoenixcontact rfc 470s pn 3tx firmwareall versions
  • phoenixcontact rfc 480s pn 4tx firmwareall versions

Same product

phoenixcontact: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-46141Phoenix Contact: Automation Worx and classic line controllers prone to Incorrect Permission Assignment for Critical Resource
    39Monitor
  • CVE-2019-12870An issue was discovered in PHOENIX CONTACT PC Worx through 1.86, PC Worx Express through 1.86, and Config+ through 1.86.
    36Monitor
  • CVE-2019-12869An issue was discovered in PHOENIX CONTACT PC Worx through 1.86, PC Worx Express through 1.86, and Config+ through 1.86.
    36Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2019-12871Jun 24, 2019 · An issue was discovered in PHOENIX CONTACT PC Worx through 1.86, PC Worx Express through 1.86, and Config+ through 1.86.
    36Monitor
  • ← EarlierCVE-2022-3461Nov 15, 2022 · Buffer Overflow in PHOENIX CONTACT Automationworx Software Suite
    31Monitor
  • ← EarlierCVE-2022-3737Nov 15, 2022 · Out-of-bounds Read in PHOENIX CONTACT Automationworx Software Suite
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Not on record for this CVE: EPSS history · patch commit or PR link · variant or chain candidate · public bounty program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-494 · Download of Code Without Integrity Check

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records