CVE-2017-14466
9.8
CRITICAL · CVSS 3.1 · EPSS 38% (pctl 99)
Patch early
EPSS 38% — above the 10% action threshold.
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 Description: The filetype 0x03 allows users write access, allowing the ability to overwrite the Master Password value stored in the file.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 37.97% — more likely to be exploited than 99% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-04-05 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| rockwellautomation | micrologix 1400 |
| rockwellautomation | micrologix 1400 b firmware |
References
→ the Explorer · watch your stack · NVD