SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

CRITICAL 9.8EPSS 7.85%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (7.85%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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 vulnerability could cause loss of availability, integrity, and confidentiality and a disruption in communications with other connected devices. Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
7.85% probability · 94th percentile
CISA KEV
Not listed
Weakness
CWE-287
Affected
rockwellautomation/controllogix controllers · rockwellautomation/guardlogix controllers · rockwellautomation/micrologix · rockwellautomation/softlogix controllers · rockwellautomation/1756-enbt · rockwellautomation/1756-eweb · rockwellautomation/1768-enbt · rockwellautomation/1768-eweb · rockwellautomation/1794-aentr flex i\/o ethernet\/ip adapter · rockwellautomation/compactlogix · rockwellautomation/compactlogix controllers · rockwellautomation/compactlogix l32e controller · rockwellautomation/compactlogix l35e controller · rockwellautomation/controllogix · rockwellautomation/flexlogix 1788-enbt adapter · rockwellautomation/guardlogix · rockwellautomation/softlogix
Source
ics-cert@hq.dhs.gov

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.