CVE-2012-6436 is a buffer overflow vulnerability affecting numerous Rockwell Automation EtherNet/IP products, including various ControlLogix, CompactLogix, GuardLogix, and MicroLogix controllers and communication modules. An unauthenticated attacker can exploit this by sending a specially crafted CIP packet to specific TCP or UDP ports (2222 or 44818), causing the device's CPU to crash and leading to a denial of service. With a CVSS score of 7.8, this vulnerability is considered high severity due to its network-based attack vector, low complexity, and complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 20CPE matchmatch criteria | cpe:2.3:a:rockwellautomation:controllogix_controllers:*:*:*:*:*:*:*:* | ||
<= 20CPE matchmatch criteria | cpe:2.3:a:rockwellautomation:guardlogix_controllers:*:*:*:*:*:*:*:* | ||
<= 1100CPE matchmatch criteria | cpe:2.3:a:rockwellautomation:micrologix:*:*:*:*:*:*:*:* | ||
<= 1400CPE matchmatch criteria | cpe:2.3:a:rockwellautomation:micrologix:*:*:*:*:*:*:*:* | ||
<= 19CPE matchmatch criteria | cpe:2.3:a:rockwellautomation:softlogix_controllers:*:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:C
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.