CVE-2020-12506: WAGO: Authentication Bypass Vulnerability in WAGO 750-36X and WAGO 750-8XX Versions <= FW03
First published: Wed Sep 30 2020(Updated: )
Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without authentication This issue affects: WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832/xxx-xxx, WAGO 750-862, WAGO 750-891, WAGO 750-890/xxx-xxx in versions FW03 and prior versions.
Credit: info@cert.vde.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Wago 750-362 Firmware | <=fw03 | |
| WAGO 750-362 | ||
| Wago 750-363 Firmware | <=fw03 | |
| WAGO 750-363 | ||
| Wago 750-823 Firmware | <=fw03 | |
| WAGO 750-823 | ||
| Wago 750-832 Firmware | <=fw03 | |
| WAGO 750-832 | ||
| Wago 750-862 Firmware | <=fw03 | |
| WAGO 750-862 | ||
| Wago 750-891 Firmware | <=fw03 | |
| WAGO 750-891 | ||
| Wago 750-890 Firmware | <=fw03 | |
| WAGO 750-890 |
Remedy
Upgrade devices to the latest standard firmware (> FW03).
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2020-12506.
What is the severity level of CVE-2020-12506?
The severity level of CVE-2020-12506 is critical with a score of 9.1.
Which devices are affected by CVE-2020-12506?
The devices affected by CVE-2020-12506 include WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832, WAGO 750-862, WAGO 750-891, and WAGO 750-890 with firmware versions up to and including FW03.
What is the impact of CVE-2020-12506?
CVE-2020-12506 allows an attacker to change the settings of the WAGO 750-8XX series devices without authentication.
How can I mitigate CVE-2020-12506?
To mitigate CVE-2020-12506, update the firmware of the affected WAGO devices to a version higher than FW03.
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/weakness
- agent/author
- agent/title
- agent/last-modified-date
- agent/references
- agent/severity
- agent/event
- agent/first-publish-date
- agent/description
- agent/tags
- vendor/wago
- canonical/wago 750-362 firmware
- version/wago 750-362 firmware/fw03
- canonical/wago 750-362
- canonical/wago 750-363 firmware
- version/wago 750-363 firmware/fw03
- canonical/wago 750-363
- canonical/wago 750-823 firmware
- version/wago 750-823 firmware/fw03
- canonical/wago 750-823
- canonical/wago 750-832 firmware
- version/wago 750-832 firmware/fw03
- canonical/wago 750-832
- canonical/wago 750-862 firmware
- version/wago 750-862 firmware/fw03
- canonical/wago 750-862
- canonical/wago 750-891 firmware
- version/wago 750-891 firmware/fw03
- canonical/wago 750-891
- canonical/wago 750-890 firmware
- version/wago 750-890 firmware/fw03
- canonical/wago 750-890