Home/CVE/Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the se
CVE

CVE-2020-12506

Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the se

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.

CRITICAL · CVSS 9.1 EPSS 0.00269
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-306Missing Authentication for Critical Function
CWE-306Missing Authentication for Critical Function
▤

Affected Products & Versions

7
wago 750-362 firmware<= fw03
wago 750-363 firmware<= fw03
wago 750-823 firmware<= fw03
wago 750-832 firmware<= fw03
wago 750-862 firmware<= fw03
wago 750-891 firmware<= fw03
wago 750-890 firmware<= fw03
▣

Scoring & Timeline

9.1
CRITICAL · CVSS v3.1 · info@cert.vde.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Sep 2020 · 04:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert.vde.com/en-us/advisories/vde-2020-028Third Party Advisory
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