CVE-2026-27552

Unauthorized IODD File Upload due to Improper Authorization

Published Sep 16, 2026 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Unauthorized IODD File Upload due to Improper Authorization
First Time appeared Carlo Gavazzi
Carlo Gavazzi yl212cei8m1io Firmware
Carlo Gavazzi yl212cpn8m1io Firmware
Carlo Gavazzi yn115cei8rpio Firmware
Carlo Gavazzi yn115cpn8rpio Firmware
Pepperl Fuchs
Pepperl Fuchs ice2 Firmware
Pepperl Fuchs ice3 Firmware
Phoenix Contact
Phoenix Contact iol Ma8 Eip Di8 Firmware
Phoenix Contact iol Ma8 Pn Di8 Firmware
Weaknesses CWE-863
CPEs cpe:2.3:o:carlo_gavazzi:yl212cei8m1io_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:carlo_gavazzi:yl212cpn8m1io_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:carlo_gavazzi:yn115cei8rpio_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:carlo_gavazzi:yn115cpn8rpio_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl_fuchs:ice2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:pepperl_fuchs:ice3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenix_contact:iol_ma8_eip_di8_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:phoenix_contact:iol_ma8_pn_di8_firmware:*:*:*:*:*:*:*:*
Vendors & Products Carlo Gavazzi
Carlo Gavazzi yl212cei8m1io Firmware
Carlo Gavazzi yl212cpn8m1io Firmware
Carlo Gavazzi yn115cei8rpio Firmware
Carlo Gavazzi yn115cpn8rpio Firmware
Pepperl Fuchs
Pepperl Fuchs ice2 Firmware
Pepperl Fuchs ice3 Firmware
Phoenix Contact
Phoenix Contact iol Ma8 Eip Di8 Firmware
Phoenix Contact iol Ma8 Pn Di8 Firmware
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H'}