CVE-2020-12518

Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: An attacker can use the knowledge gained by reading the insufficiently protected sensitive information to plan further attacks.

MEDIUM

5.5

CVSS Score

Published: December 17, 2020 at 10:43 PM UTC

Updated: June 17, 2026 at 02:51 AM UTC

7 products affected across 1 vendorPlcnext FirmwareAXC F 2152RFC 4072S

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.7%

Description

On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an attacker can use the knowledge gained by reading the insufficiently protected sensitive information to plan further attacks.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Plcnext Firmware · Phoenix Contact

95%

v < 2021.0

Affected range stops below 2021.0, so it looks safe — our inference, not a vendor statement

phoenixcontact-axc-f-1152 (environment) · phoenixcontact-axc-f-2152 (environment) · phoenixcontact-axc-f-2152-starterkit (environment) · phoenixcontact-axc-f-3152 (environment) · phoenixcontact-rfc-4072s (environment) · phoenixcontact-plcnext-technology-starterkit (same device)

AXC F 1152 · Phoenix Contact

60%

v < 2021.0 LTS