CVE-2022-45139

CVE-2022-45139 is a medium-severity vulnerability in Wago 751-9301 Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-346.

Key facts

• Severity: Medium (CVSS 3.x base score 5.3)
• EPSS exploit prediction: 0% (17th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-346
• Affected product: Wago 751-9301 Firmware
• Published: 2023-02-27
• Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2022-45139?

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.

How severe is CVE-2022-45139?

CVE-2022-45139 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-45139 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45139?

CVE-2022-45139 primarily affects Wago 751-9301 Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-45139?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-45139 published?

CVE-2022-45139 was published on 2023-02-27 and last updated on 2026-06-17.

References

• https://cert.vde.com/en/advisories/VDE-2022-060/

Affected products (21)

• cpe:2.3:o:wago:751-9301_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:wago:751-9301_firmware:22:-:*:*:*:*:*:*
• cpe:2.3:o:wago:751-9301_firmware:23:*:*:*:*:*:*:*
• cpe:2.3:o:wago:752-8303\/8000-002_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:wago:752-8303\/8000-002_firmware:22:-:*:*:*:*:*:*
• cpe:2.3:o:wago:752-8303\/8000-002_firmware:23:*:*:*:*:*:*:*
• cpe:2.3:o:wago:pfc100_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:wago:pfc100_firmware:22:-:*:*:*:*:*:*
• cpe:2.3:o:wago:pfc100_firmware:23:*:*:*:*:*:*:*
• cpe:2.3:o:wago:pfc200_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:wago:pfc200_firmware:22:-:*:*:*:*:*:*
• cpe:2.3:o:wago:pfc200_firmware:23:*:*:*:*:*:*:*
• cpe:2.3:o:wago:touch_panel_600_advanced_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:wago:touch_panel_600_advanced_firmware:22:-:*:*:*:*:*:*
• cpe:2.3:o:wago:touch_panel_600_advanced_firmware:23:*:*:*:*:*:*:*
• cpe:2.3:o:wago:touch_panel_600_marine_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:wago:touch_panel_600_marine_firmware:22:-:*:*:*:*:*:*
• cpe:2.3:o:wago:touch_panel_600_marine_firmware:23:*:*:*:*:*:*:*
• cpe:2.3:o:wago:touch_panel_600_standard_firmware:*:*:*:*:*:*:*:*
• cpe:2.3:o:wago:touch_panel_600_standard_firmware:22:-:*:*:*:*:*:*
• cpe:2.3:o:wago:touch_panel_600_standard_firmware:23:*:*:*:*:*:*:*

More vulnerabilities in Wago 751-9301 Firmware

• CVE-2022-45140 — Critical (CVSS 9.8): The configuration backend allows an unauthenticated user to write arbitrary data with root privileges to the storage,…
• CVE-2022-45138 — Critical (CVSS 9.8): The configuration backend of the web-based management can be used by unauthenticated users, although only authenticated…
• CVE-2022-3281 — High (CVSS 7.5): WAGO Series PFC100/PFC200, Series Touch Panel 600, Compact Controller CC100 and Edge Controller in multiple versions…
• CVE-2022-45137 — Medium (CVSS 6.1): The configuration backend of the web-based management is vulnerable to reflected XSS (Cross-Site Scripting) attacks…
• CVE-2022-22511 — Medium (CVSS 5.4): Various configuration pages of the device are vulnerable to reflected XSS (Cross-Site Scripting) attacks. An authorized…

All CVEs affecting Wago 751-9301 Firmware →

Other CWE-346 vulnerabilities

• CVE-2026-42901 — Critical (CVSS 10.0): Origin validation error in Microsoft Entra ID allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-6508 — Critical (CVSS 9.8): Origin Validation Error vulnerability in TUBITAK BILGEM Software Technologies Research Institute Liderahenk allows…
• CVE-2026-2790 — Critical (CVSS 9.8): Same-origin policy bypass in the Networking: JAR component. This vulnerability was fixed in Firefox 148, Firefox ESR…
• CVE-2022-50925 — Critical (CVSS 9.8): Prowise Reflect version 1.0.9 contains a remote keystroke injection vulnerability that allows attackers to send…
• CVE-2025-30466 — Critical (CVSS 9.8): This issue was addressed through improved state management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS…
• CVE-2024-8487 — Critical (CVSS 9.8): A Cross-Origin Resource Sharing (CORS) vulnerability exists in modelscope/agentscope version v0.0.4. The CORS…

Browse all CWE-346 vulnerabilities →