EUVD-2026-80233
GHSA-c374-wf66-wjj4
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-accessible management interface, operator credentials required (PR:L), straightforward injection with full root impact and no scope change.
Primary rating from Vendor (CERTVDE).
CVSS VectorNVD
Lifecycle Timeline
3DescriptionNVD
A low-privileged remote attacker can exploit a command injection vulnerability in the Field_Shadow_Password class using operator credentials allowing execution of commands with root privileges on the device.
AnalysisAI
Command injection via the Field_Shadow_Password class in Pepperl+Fuchs ICE2/ICE3 IO-Link master devices and Phoenix Contact IOL_MA8_PN_DI8 allows a network-authenticated attacker holding only operator-level credentials to inject OS commands that execute with root privileges on the device. The vulnerability (CWE-78) is exploitable without user interaction against a low-privileged account, resulting in full confidentiality, integrity, and availability compromise of the affected industrial device. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires valid operator-level credentials on the target IO-Link master device - this is explicitly stated in the description as a prerequisite, confirmed by CVSS PR:L. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately reflects a serious threat: network-reachable, low-complexity, requiring only operator-level credentials with no scope change. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Consult the three CERTVDE advisories - VDE-2026-014 (https://www.certvde.com/en/advisories/VDE-2026-014/), VDE-2026-027 (https://www.certvde.com/en/advisories/VDE-2026-027/), and VDE-2026-028 (https://www.certvde.com/en/advisories/VDE-2026-028/) - for vendor-specific patched firmware versions; exact fix versions are not confirmed in the available NVD data, so the status is patch available per vendor advisory pending independent verification. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Pepperl+Fuchs ICE2, ICE3, and Phoenix Contact IOL_MA8_PN_DI8 units in production and document their network exposure and operational criticality. …
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Command injection in Pepperl+Fuchs ICE2/ICE3 IO-Link Master devices (and OEM equivalents from Phoenix Contact and others
Improper authorization on the IODD file upload endpoint of multiple Pepperl+Fuchs ICE2 and ICE3 IO-Link master devices,
Same weakness CWE-78 – OS Command Injection
View allSame technique Command Injection
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External POC / Exploit Code
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