Vulnerability in Rockwellautomation Micrologix 1400
CVE-2017-14472
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: Any Description: Requests a specific set of bytes from an undocumented data file and returns the ASCII version of the master password.
EPSS: 0.368 (98.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Rockwellautomation Micrologix_1400
- Rockwellautomation Micrologix_1400_b_firmware
- Talos Allen Bradley — versions 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 15
References
- talos-cna@cisco.com (Exploit, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-14472?
- CVE-2017-14472 is a critical-severity vulnerability in Rockwellautomation Micrologix 1400. CVSS score: 10.0/10. Published 2018-04-05.
- How severe is CVE-2017-14472?
- Critical severity. CVSS v3 base score is 10.0 out of 10.