Vulnerability in Rockwellautomation Micrologix 1400
CVE-2017-14464
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.
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: 0.380 (98.5th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.380 · newest: 0.380 · 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-2017-14464?
- CVE-2017-14464 is a critical-severity vulnerability in Rockwellautomation Micrologix 1400. CVSS score: 9.8/10. Published 2018-04-05.
- How severe is CVE-2017-14464?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-14464 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.