What’s Vulnerable › Vulnerabilities

CVE-2017-14464

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 38.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-04-05 · updated 2026-06-17

Description

An exploitable access control vulnerability exists in the data, program, and function file permissions functionality of Allen Bradley Micrologix 1400 Series B FRN 21.2 and before. A specially crafted packet can cause a read or write operation resulting in disclosure of sensitive information, modification of settings, or modification of ladder logic. An attacker can send unauthenticated packets to trigger this vulnerability.Required Keyswitch State: REMOTE or PROG Associated Fault Code: 0001 Fault Type: Non-User Description: A fault state can be triggered by setting the NVRAM/memory module user program mismatch bit (S2:9) when a memory module is NOT installed.

Affected products

• Rockwellautomation Micrologix 1400 B Firmware: through 21.2

References

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443

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