Cyber Resilience

CVE-2023-46142

High

Published: 14 December 2023

Published
14 December 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0026 49.5th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-46142 is a high-severity Incorrect Permission Assignment for Critical Resource (CWE-732) vulnerability in Phoenixcontact Axc F 1152 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 49.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

phoenixcontact
axc f 1152 firmware
≤ 2024.0
phoenixcontact
axc f 2152 firmware
≤ 2024.0
phoenixcontact
axc f 3152 firmware
≤ 2024.0
phoenixcontact
bpc 9102s firmware
≤ 2024.0
phoenixcontact
epc 1502 firmware
≤ 2024.0
phoenixcontact
epc 1522 firmware
≤ 2024.0
phoenixcontact
plcnext engineer
≤ 2024.0
phoenixcontact
rfc 4072r firmware
≤ 2024.0
phoenixcontact
rfc 4072s firmware
≤ 2024.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-732

Procedures support proper permission assignment for critical resources through documented controls.

addresses: CWE-732

Attribute management for resources provides a mechanism to assign and maintain correct permissions based on security labels.

addresses: CWE-732

Prevents overly permissive assignments to critical resources by limiting to task needs.

addresses: CWE-732

Training policy covers correct permission assignment, reducing the ability to exploit incorrect permission assignments for critical resources.

addresses: CWE-732

Training on permission management reduces incorrect permission assignments for critical resources.

addresses: CWE-732

Audit logs and logging tools are critical resources whose protection requires correct permission assignments to block unauthorized actions.

addresses: CWE-732

Assessments review permission assignments on critical resources to confirm correctness, mitigating exploitation via incorrect permissions.

addresses: CWE-732

Certification includes checking that permissions on critical resources are correctly assigned.

References