How severe is CVE-2023-46142?

CVE-2023-46142 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-46142 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-46142?

CVE-2023-46142 primarily affects Phoenixcontact Plcnext Engineer. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-46142?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-46142 published?

CVE-2023-46142 was published on 2023-12-14 and last updated on 2026-06-17.

CVE-2023-46142

CVE-2023-46142 is a high-severity vulnerability in Phoenixcontact Plcnext Engineer with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-732.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Phoenixcontact Plcnext Engineer
Published: 2023-12-14
Last modified: 2026-06-17

Description

A incorrect permission assignment for critical resource vulnerability in PLCnext products allows an remote attacker with low privileges to gain full access on the affected devices.

Frequently asked questions

What is CVE-2023-46142?: A incorrect permission assignment for critical resource vulnerability in PLCnext products allows an remote attacker with low privileges to gain full access on the affected devices.
How severe is CVE-2023-46142?: CVE-2023-46142 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-46142 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-46142?: CVE-2023-46142 primarily affects Phoenixcontact Plcnext Engineer. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-46142?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-46142 published?: CVE-2023-46142 was published on 2023-12-14 and last updated on 2026-06-17.

References

https://https://cert.vde.com/en/advisories/VDE-2023-056/

Affected products (9)

cpe:2.3:o:phoenixcontact:axc_f_1152_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:axc_f_2152_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:axc_f_3152_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:bpc_9102s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:epc_1502_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:epc_1522_firmware:*:*:*:*:*:*:*:*
cpe:2.3:a:phoenixcontact:plcnext_engineer:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:rfc_4072r_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:rfc_4072s_firmware:*:*:*:*:*:*:*:*

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