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Vulnerability record · CVE-2023-3379 · published 20 November 2023

CVE-2023-3379: Wago compact controller 100 firmware incorrect authorization vulnerability

Wago · Compact Controller 100 Firmware

Wago web-based management of multiple products has a vulnerability which allows an local authenticated attacker to change the passwords of other non-admin users and thus to escalate non-root privileges.

5.3 CVSS 3.1 Medium EPSS 0.20% · top 91.5% CWE-863 · Incorrect authorization
5.3CVSS 3.1 base score
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Wago web-based management of multiple products has a vulnerability which allows an local authenticated attacker to change the passwords of other non-admin users and thus to escalate non-root privileges.

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

Affected products

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

References

LinkTags
https://cert.vde.com/en/advisories/VDE-2023-015/ Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2023-015/ Third Party Advisory

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Related vulnerabilities

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

9.8CVE-2023-1698WAGO Controllers OS Command Injection Allows Unauthenticated User CreationMultiple WAGO controller and touch panel firmware products contain an OS command injection flaw (CWE-78) that lets an unauthenticated, remote attacke…EPSS 82%analysed9.8CVE-2022-45140Wago 751-9301 firmware missing authentication for critical function vulnerabilityThe configuration backend allows an unauthenticated user to write arbitrary data with root privileges to the storage, which could lead to unauthentic…EPSS 1.1%9.8CVE-2022-45138Wago 751-9301 firmware missing authentication for critical function vulnerabilityThe configuration backend of the web-based management can be used by unauthenticated users, although only authenticated users should be able to use t…EPSS 0.74%9.8CVE-2020-12522Wago pfc 100 firmware os command injection vulnerabilityThe reported vulnerability allows an attacker who has network access to the device to execute code with specially crafted packets in WAGO Series PFC …EPSS 3.1%9.8CVE-2019-5082Wago pfc200 firmware out-of-bounds write vulnerabilityAn exploitable heap buffer overflow vulnerability exists in the iocheckd service I/O-Check functionality of WAGO PFC200 Firmware version 03.01.07(13)…EPSS 3.3%9.8CVE-2018-5459Wago pfc200 firmware improper authentication vulnerabilityAn Improper Authentication issue was discovered in WAGO PFC200 Series 3S CoDeSys Runtime versions 2.3.X and 2.4.X. An attacker can execute different …EPSS 2.7%9.1CVE-2019-5160Wago pfc200 firmware vulnerabilityAn exploitable improper host validation vulnerability exists in the Cloud Connectivity functionality of WAGO PFC200 Firmware versions 03.02.02(14), 0…EPSS 2.7%9.1CVE-2019-5161Wago pfc200 firmware insufficient verification of data authenticity vulnerabilityAn exploitable remote code execution vulnerability exists in the Cloud Connectivity functionality of WAGO PFC200 versions 03.02.02(14), 03.01.07(13),…EPSS 2.5%

Source: NIST National Vulnerability Database (record CVE-2023-3379), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.