WAGO: Authentication Bypass Vulnerability in WAGO 750-36X and WAGO 750-8XX Versions <= FW03
CVE-2020-12506

9.1CRITICAL

Key Information:

Vendor
Wago
Status
750-362
750-363
750-823
750-832/xxx-xxx
Vendor
CVE Published:
30 September 2020

Summary

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.

Affected Version(s)

750-362 <= unspecified

750-363 <= unspecified

750-823 <= unspecified

References

https://cert.vde.com/en-us/advisories/vde-2020-028
x_refsource_CONFIRM

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Maxim Rupp (https://rupp.it) reported this vulnerability to WAGO.
coordinated by CERT@VDE
.