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Vulnerability record · CVE-2022-31801 · published 21 June 2022

CVE-2022-31801: Phoenixcontact multiprog insufficient verification of data authenticity vulnerability

Phoenixcontact · Multiprog

An unauthenticated, remote attacker could upload malicious logic to the devices based on ProConOS/ProConOS eCLR in order to gain full control over the device.

9.8 CVSS 3.1 Critical EPSS 1.1% · top 35.4% CWE-345 · Insufficient verification of data authenticity
9.8CVSS 3.1 base score, v2 10.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An unauthenticated, remote attacker could upload malicious logic to the devices based on ProConOS/ProConOS eCLR in order to gain full control over the device.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert.vde.com/en/advisories/VDE-2022-026/ MitigationThird Party Advisory
https://cert.vde.com/en/advisories/VDE-2022-026/ MitigationThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2014-9195Phoenix Contact ProConOs and MultiProg missing authentication allows remote command executionPhoenix Contact ProConOs and MultiProg do not require authentication for critical functions, allowing remote attackers to execute arbitrary commands …EPSS 81%analysed9.8CVE-2023-0757Phoenixcontact multiprog incorrect permission assignment vulnerabilityIncorrect Permission Assignment for Critical Resource vulnerability in PHOENIX CONTACT MULTIPROG, PHOENIX CONTACT ProConOS eCLR (SDK) allows an unaut…EPSS 0.88%7.5CVE-2023-5592Phoenixcontact multiprog download of code without integrity check vulnerabilityDownload of Code Without Integrity Check vulnerability in PHOENIX CONTACT MULTIPROG, PHOENIX CONTACT ProConOS eCLR (SDK) allows an unauthenticated re…EPSS 0.33%7.8CVE-2023-38831WinRAR ZIP archive spoofing leads to arbitrary code executionWinRAR before 6.23 mishandles ZIP archives that contain a benign file and a folder with the same name, causing the folder's contents to be processed …KEVEPSS 100%analysed9.8CVE-2022-26871Trend Micro Apex Central unauthenticated arbitrary file uploadTrend Micro Apex Central (and Apex One) contains an arbitrary file upload flaw caused by insufficient verification of data authenticity (CWE-345). An…KEVEPSS 19%analysed

Source: NIST National Vulnerability Database (record CVE-2022-31801), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.