Auth bypass in Rockwell Automation 1756-enbt, 1756-eweb, 1768-enbt, 1768-eweb Communication Modules
CVE-2012-6437
The device does not properly authenticate users and the potential exists for a remote user to upload a new firmware image to the Ethernet card, whether it is a corrupt or legitimate firmware image. Successful exploitation of this vulnerabi…
Vulnerability class: Broken Authentication
EPSS: 0.096 (94.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Rockwell Automation 1756-enbt, 1756-eweb, 1768-enbt, 1768-eweb Communication Modules — versions All
- Rockwell Automation 1788-enbt Flexlogix Adapter — versions All
- Rockwell Automation 1794-aentr Flex I/o Ethernet/ip Adapter — versions All
- Rockwell Automation Compactlogix And Softlogix Controllers — versions 0
- Rockwell Automation Compactlogix L32e And L35e Controllers — versions All
- Rockwell Automation Controllogix And Guardlogix Controllers — versions 0
- Rockwell Automation Controllogix, Compactlogix, Guardlogix, And Softlogix — versions 0
- Rockwell Automation Micrologix — versions 1400, 1100
- Rockwellautomation 1756-enbt
- Rockwellautomation 1756-eweb
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2012-6437?
- CVE-2012-6437 is a critical-severity vulnerability in Rockwell Automation 1756-enbt, 1756-eweb, 1768-enbt, 1768-eweb Communication Modules, classified under Improper Authentication. CVSS score: 9.8/10. Published 2013-01-24.
- How severe is CVE-2012-6437?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2012-6437 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.