Vulnerability · Published Feb 27, 2023 · Assigned by CERTVDE

CVE-2022-45138WAGO: Missing Authentication for Critical Function

Critical 9.8

In plain English

A critical-severity missing authentication in Compact Controller CC100 (751-9301) from WAGO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 45.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The configuration backend of the web-based management can be used by unauthenticated users, although only authenticated users should be able to use the API. The vulnerability allows an unauthenticated attacker to read and set several device parameters that can lead to full compromise of the device.

Affected products (as reported)

VendorProductVersions
WAGO Compact Controller CC100 (751-9301) FW16 – before FW22FW23
WAGO Edge Controller (752-8303/8000-002) FW18 – before FW22FW23
WAGO PFC100 (750-81xx/xxx-xxx) FW16 – before FW22FW23
WAGO PFC200 (750-82xx/xxx-xxx) FW16 – before FW22FW23
WAGO Touch Panel 600 Advanced Line (762-5xxx) FW16 – before FW22FW23
WAGO Touch Panel 600 Marine Line (762-6xxx) FW16 – before FW22FW23
WAGO Touch Panel 600 Standard Line (762-4xxx) FW16 – before FW22FW23

Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References