Unauthorized IODD File Upload due to Improper Authorization (CVE-2026-27552) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-27552

Unauthorized IODD File Upload due to Improper Authorization

Answer in brief

CVE-2026-27552 records a Unknown severity vulnerability in Unauthorized IODD File Upload due to Improper Authorization. The current sources do not mark it as known exploited. The current feed maps Pepperl+Fuchs/ICE2-8IOL1-G65L-V1D (generic), Pepperl+Fuchs/ICE2-8IOL-G65L-V1D (generic), Pepperl+Fuchs/ICE2-8IOL-K45P-RJ45 (generic), Pepperl+Fuchs/ICE2-8IOL-K45S-RJ45 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 16, 2026Updated Sep 16, 2026Source checked Sep 16, 2026First seen by HOL Sep 16, 2026Material review Sep 16, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 15 mapped packages or products
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Pepperl+Fuchs/ICE2-8IOL1-G65L-V1D (generic), Pepperl+Fuchs/ICE2-8IOL-G65L-V1D (generic), Pepperl+Fuchs/ICE2-8IOL-K45P-RJ45 (generic), Pepperl+Fuchs/ICE2-8IOL-K45S-RJ45 (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Pepperl+Fuchs/ICE2-8IOL1-G65L-V1Dgeneric	>=1.0.0 <1.7.4	1.7.4
Pepperl+Fuchs/ICE2-8IOL-G65L-V1Dgeneric	>=1.0.0 <1.7.4	1.7.4
Pepperl+Fuchs/ICE2-8IOL-K45P-RJ45generic	>=1.0.0 <1.7.4	1.7.4
Pepperl+Fuchs/ICE2-8IOL-K45S-RJ45generic	>=1.0.0 <1.7.4	1.7.4
Pepperl+Fuchs/ICE3-8IOL1-G65L-V1Dgeneric	>=1.0.0 <1.7.4	1.7.4
Pepperl+Fuchs/ICE3-8IOL-G65L-V1Dgeneric	>=1.0.0 <1.7.4	1.7.4
Pepperl+Fuchs/ICE3-8IOL-G65L-V1D-Ygeneric	>=1.0.0 <1.7.4	1.7.4
Pepperl+Fuchs/ICE3-8IOL-K45P-RJ45generic	>=1.0.0 <1.7.4	1.7.4
Pepperl+Fuchs/ICE3-8IOL-K45S-RJ45generic	>=1.0.0 <1.7.4	1.7.4
Phoenix Contact/IOL MA8 EIP DI8generic	>=1.0.0 <1.7.4	1.7.4
Phoenix Contact/IOL MA8 PN DI8generic	>=1.0.0 <1.7.4	1.7.4
Carlo Gavazzi Automation/YL212CEI8M1IOgeneric	>=1.0.0 <1.7.4	1.7.4
Carlo Gavazzi Automation/YL212CPN8M1IOgeneric	>=1.0.0 <1.7.4	1.7.4
Carlo Gavazzi Automation/YN115CEI8RPIOgeneric	>=1.0.0 <1.7.4	1.7.4
Carlo Gavazzi Automation/YN115CPN8RPIOgeneric	>=1.0.0 <1.7.4	1.7.4

Recommended response

Check inventory. Check lockfiles and deployed manifests for Pepperl+Fuchs/ICE2-8IOL1-G65L-V1D, Pepperl+Fuchs/ICE2-8IOL-G65L-V1D, Pepperl+Fuchs/ICE2-8IOL-K45P-RJ45.
Review the reported fix. Update Pepperl+Fuchs/ICE2-8IOL1-G65L-V1D to 1.7.4; Pepperl+Fuchs/ICE2-8IOL-G65L-V1D to 1.7.4; Pepperl+Fuchs/ICE2-8IOL-K45P-RJ45 to 1.7.4; Pepperl+Fuchs/ICE2-8IOL-K45S-RJ45 to 1.7.4; Pepperl+Fuchs/ICE3-8IOL1-G65L-V1D to 1.7.4; Pepperl+Fuchs/ICE3-8IOL-G65L-V1D to 1.7.4; Pepperl+Fuchs/ICE3-8IOL-G65L-V1D-Y to 1.7.4; Pepperl+Fuchs/ICE3-8IOL-K45P-RJ45 to 1.7.4; Pepperl+Fuchs/ICE3-8IOL-K45S-RJ45 to 1.7.4; Phoenix Contact/IOL MA8 EIP DI8 to 1.7.4; Phoenix Contact/IOL MA8 PN DI8 to 1.7.4; Carlo Gavazzi Automation/YL212CEI8M1IO to 1.7.4; Carlo Gavazzi Automation/YL212CPN8M1IO to 1.7.4; Carlo Gavazzi Automation/YN115CEI8RPIO to 1.7.4; Carlo Gavazzi Automation/YN115CPN8RPIO to 1.7.4 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Sep 16, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 16, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 16, 2026

Sources and claim methodology

Upstream source description

A low-privileged remote attacker can exploit improper authorization in the /index.php/attached_devices_tab/do_upload endpoint to upload IODD files to the device, potentially altering device behavior or causing system crashes.

Quoted source text, attributed separately from HOL analysis.