Home/CVE/Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some s
CVE

CVE-2020-12505

Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some s

Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some special parameters without authentication. This issue affects: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 750-831/xxx-xxx, WAGO 750-882, WAGO 750-885/xxx-xxx, WAGO 750-889 in versions FW07 and below.

HIGH · CVSS 8.2 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 750-852 firmware<= fw07
wago 750-880 firmware<= fw07
wago 750-881 firmware<= fw07
wago 750-831 firmware<= fw07
wago 750-882 firmware<= fw07
wago 750-885 firmware<= fw07
wago 750-889 firmware<= fw07
▣

Scoring & Timeline

8.2
HIGH · 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:L/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-2020-027Third Party Advisory
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