CVE-2023-0757

Name: CVE-2023-0757
Creator: NVD / NIST
Published: 2023-12-14T14:15:42.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2023-0757 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Incorrect Permission Assignment for Critical Resource vulnerability in PHOENIX CONTACT MULTIPROG, PHOENIX CONTACT ProConOS eCLR (SDK) allows an unauthenticated remote attacker to upload arbitrary malicious code and gain full access on the affected device.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

Incorrect Permission Assignment for Critical Resource vulnerability in PHOENIX CONTACT MULTIPROG, PHOENIX CONTACT ProConOS eCLR (SDK) allows an unauthenticated remote attacker to upload arbitrary malicious code and gain full access on the affected device.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.88%

54.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-732

Affected Software

Vendor	Product	Versions
Phoenixcontact	Multiprog	All versions
Phoenixcontact	Proconos Eclr	All versions

References

https://cert.vde.com/en/advisories/VDE-2023-051/Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2023-051/Third Party Advisory

Timeline

Published: Dec 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-0757?

How severe is CVE-2023-0757?

CVE-2023-0757 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2023-0757?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-0757?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST