Vulnerability · Published Sep 16, 2026 · Assigned by CERTVDE

CVE-2026-27546Authentication Bypass in _account_log

Critical 9.8

In plain English

A critical-severity authentication bypass in YL212CEI8M1IO from Carlo Gavazzi Automation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.0%top 36.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An unauthenticated remote attacker can exploit an authentication bypass in the _account_log function to log in as an admin, even when accounts are properly configured.

Affected products (as reported)

VendorProductVersions
Pepperl+Fuchs ICE2-8IOL1-G65L-V1D 1.0.0 – before 1.7.4
Pepperl+Fuchs ICE2-8IOL-G65L-V1D 1.0.0 – before 1.7.4
Pepperl+Fuchs ICE2-8IOL-K45P-RJ45 1.0.0 – before 1.7.4
Pepperl+Fuchs ICE2-8IOL-K45S-RJ45 1.0.0 – before 1.7.4
Pepperl+Fuchs ICE3-8IOL1-G65L-V1D 1.0.0 – before 1.7.4
Pepperl+Fuchs ICE3-8IOL-G65L-V1D 1.0.0 – before 1.7.4
Pepperl+Fuchs ICE3-8IOL-G65L-V1D-Y 1.0.0 – before 1.7.4
Pepperl+Fuchs ICE3-8IOL-K45P-RJ45 1.0.0 – before 1.7.4
Pepperl+Fuchs ICE3-8IOL-K45S-RJ45 1.0.0 – before 1.7.4
Phoenix Contact IOL MA8 PN DI8 1.0.0 – before 1.7.4
Phoenix Contact IOL MA8 EIP DI8 1.0.0 – before 1.7.4
Carlo Gavazzi Automation YL212CEI8M1IO 1.0.0 – before 1.7.4
Carlo Gavazzi Automation YN115CEI8RPIO 1.0.0 – before 1.7.4
Carlo Gavazzi Automation YL212CPN8M1IO 1.0.0 – before 1.7.4
Carlo Gavazzi Automation YN115CPN8RPIO 1.0.0 – before 1.7.4

Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References