Vulnerability record

CVE-2023-3595

A permanent, source-backed tracker page. Values are shown only when returned; explicit gaps and read failures remain different states.

Full record read. Reported values and explicit gaps below come from the tracked record. Tracker snapshot: Aug 8, 2026.

What it is

Reported

Where this vulnerability exists in the Rockwell Automation 1756 EN2* and 1756 EN3* ControlLogix communication products, it could allow a malicious user to perform remote code execution with persistence on the target system through maliciously crafted CIP messages. This includes the ability to modify, deny, and exfiltrate data passing through the device. Source description excerpt; complete tracked detail loads below.

NVD published: Jul 12, 2023 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

What is affected

Reported

rockwellautomation — 1756-en2f_series_a_firmware. Product-level identification only; no affected-version conclusion is available from this field.

NVD published: Jul 12, 2023 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Urgency and basis

Reported

Act · 456.6

Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Exploitation evidence

Reported

kev-listed · VulnCheck KEV

VulnCheck KEV added: Feb 20, 2024 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

What to do

Reported

Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Source remediation ↗

Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026

Evidence detail

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