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Vulnerability record · CVE-2022-45139 · published 27 February 2023

CVE-2022-45139: Wago 751-9301 firmware origin validation error vulnerability

Wago · 751 9301 Firmware

A CORS Misconfiguration in the web-based management allows a malicious third party webserver to misuse all basic information pages on the webserver. In combination with CVE-2022-45138 this could lead to disclosure of device information like CPU diagnostics. As there is just a limited amount of information readable the impact only affects a small subset of confidentiality.

5.3 CVSS 3.1 Medium EPSS 0.25% · top 84.2% CWE-346 · Origin validation error
5.3CVSS 3.1 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A CORS Misconfiguration in the web-based management allows a malicious third party webserver to misuse all basic information pages on the webserver. In combination with CVE-2022-45138 this could lead to disclosure of device information like CPU diagnostics. As there is just a limited amount of information readable the impact only affects a small subset of confidentiality.

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

Affected products

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

References

LinkTags
https://cert.vde.com/en/advisories/VDE-2022-060/ Third Party Advisory
https://cert.vde.com/en/advisories/VDE-2022-060/ 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-2022-45138Wago 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-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-2021-34569Wago 750-8100 firmware out-of-bounds write vulnerabilityIn WAGO I/O-Check Service in multiple products an attacker can send a specially crafted packet containing OS commands to crash the diagnostic tool an…EPSS 0.87%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-2021-34566Wago 750-8100 firmware classic buffer overflow vulnerabilityIn WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to crash…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2022-45139), CISA KEV, FIRST EPSS (scores of 2026-10-15). This page is refreshed as NVD updates the record.