Vulnerability in Rockwellautomation Micrologix 1400
CVE-2017-14463
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: 0012 Fault Type: Non-User Description: A fault state can be triggered by overwriting the ladder logic data file (type 0x22 number 0x02) with null values.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.389 (98.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.389 · newest: 0.389 · change: 0.000
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
Public proof-of-concept exploits
References
- www.talosintelligence.com/vulnerability_reports/TALOS-2017-0443 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-14463?
- CVE-2017-14463 is a critical-severity vulnerability in Rockwellautomation Micrologix 1400. CVSS score: 9.8/10. Published 2018-04-05.
- How severe is CVE-2017-14463?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-14463 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.