Auth bypass in Rockwellautomation 1756-en2f_series_a
CVE-2018-17924
Rockwell Automation MicroLogix 1400 Controllers and 1756 ControlLogix Communications Modules An unauthenticated, remote threat actor could send a CIP connection request to an affected device, and upon successful connection, send a new IP c…
Vulnerability class: Broken Authentication
EPSS: 0.001 (25.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Rockwellautomation 1756-en2f_series_a
- Rockwellautomation 1756-en2f_series_a_firmware
- Rockwellautomation 1756-en2f_series_b
- Rockwellautomation 1756-en2f_series_b_firmware
- Rockwellautomation 1756-en2f_series_c
- Rockwellautomation 1756-en2f_series_c_firmware
- Rockwellautomation 1756-en2tr_series_a
- Rockwellautomation 1756-en2tr_series_a_firmware
- Rockwellautomation 1756-en2tr_series_b
- Rockwellautomation 1756-en2tr_series_b_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ics-cert@hq.dhs.gov (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC, Mitigation)
Frequently asked questions
- What is CVE-2018-17924?
- CVE-2018-17924 is a high-severity vulnerability in Rockwellautomation 1756-en2f_series_a, classified under Missing Authentication for Critical Function. CVSS score: 8.6/10. Published 2018-12-07.
- How severe is CVE-2018-17924?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2018-17924 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.