CVE-2017-14464
highpriority · attend · 52EPSS 0.380 · 99 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–10
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
- Talos Allen Bradley≤ Allen Bradley Micrologix 1400 Series B FRN 21.2, Allen Bradley Micrologix 1400 Series B FRN 21.0, Allen Bradley Micrologix 1400 Series B FRN 15enisa_euvdEU
- rockwellautomation micrologix 1400 b firmware≤ 21.2nvdUScpe:2.3:o:rockwellautomation:micrologix_1400_b_firmware:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0443cnnvd
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443cnnvd
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443enisa_euvd
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443ExploitThird Party Advisorynvd
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