CVE-2017-14466
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 Description: The filetype 0x03 allows users write access, allowing the ability to overwrite the Master Password value stored in the file.
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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