---
id: CVE-2026-27546
title: >-
  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.
summary: >-
  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.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-288
vendor: Pepperl+Fuchs
product: ICE2-8IOL1-G65L-V1D
affected:
  - ICE2-8IOL1-G65L-V1D >= 1.0.0 < 1.7.4
  - ICE2-8IOL-G65L-V1D >= 1.0.0 < 1.7.4
  - ICE2-8IOL-K45P-RJ45 >= 1.0.0 < 1.7.4
  - ICE2-8IOL-K45S-RJ45 >= 1.0.0 < 1.7.4
  - ICE3-8IOL1-G65L-V1D >= 1.0.0 < 1.7.4
  - ICE3-8IOL-G65L-V1D >= 1.0.0 < 1.7.4
  - ICE3-8IOL-G65L-V1D-Y >= 1.0.0 < 1.7.4
  - ICE3-8IOL-K45P-RJ45 >= 1.0.0 < 1.7.4
  - ICE3-8IOL-K45S-RJ45 >= 1.0.0 < 1.7.4
  - iol_ma8_pn_di8 >= 1.0.0 < 1.7.4
  - iol_ma8_eip_di8 >= 1.0.0 < 1.7.4
  - YL212CEI8M1IO >= 1.0.0 < 1.7.4
  - YN115CEI8RPIO >= 1.0.0 < 1.7.4
  - YL212CPN8M1IO >= 1.0.0 < 1.7.4
  - YN115CPN8RPIO >= 1.0.0 < 1.7.4
published: '2026-09-16'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T19:17:10.840'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-27546'
references:
  - url: 'https://www.certvde.com/en/advisories/VDE-2026-014/'
    label: info@cert.vde.com
  - url: 'https://www.certvde.com/en/advisories/VDE-2026-027/'
    label: info@cert.vde.com
  - url: 'https://www.certvde.com/en/advisories/VDE-2026-028/'
    label: info@cert.vde.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-16T18:29:20.728448Z'
ingestedAt: '2026-09-16T08:52:29.578Z'
epss: 0.01017
epssPercentile: 0.61816
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.