VulnerabilityModified
CVE-2021-34578
This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07.
HIGH 8.1EPSS 0.96%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.96%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
This vulnerability allows an attacker who has access to the WBM to read and write settings-parameters of the device by sending specifically constructed requests without authentication on multiple WAGO PLCs in firmware versions up to FW07.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.96% probability · 60th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- wago/750-890\/040-000 firmware · wago/750-890\/025-001 firmware · wago/750-890\/025-002 firmware · wago/750-890\/025-000 firmware · wago/750-832\/000-002 firmware · wago/750-362 firmware · wago/750-823 firmware · wago/750-832 firmware · wago/750-363 firmware · wago/750-862 firmware · wago/750-891 firmware · wago/750-893 firmware
- Source
- info@cert.vde.com
References
- https://cert.vde.com/en-us/advisories/vde-2020-044Third Party Advisory
- https://cert.vde.com/en-us/advisories/vde-2020-044Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.