CVE-2012-4690 Denial of service in n/a
Remote attackers can cause denial of service on Allen-Bradley controllers by triggering status bit modifications when Static status is disabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2012-4690?
CVE-2012-4690 is a high-severity denial of service vulnerability in n/a, published on 8 Dec 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Rockwell Automation Allen-Bradley MicroLogix controller 1100, 1200, 1400, and 1500; SLC 500 controller platform; and PLC-5 controller platform, when Static status is not enabled, allow remote attackers to cause a denial of service via messages that trigger modification of status bits.
Weakness: CWE-16
Which versions are affected by CVE-2012-4690?
It affects 3 products.
Products include Rockwellautomation Ab Micrologix Controller, Rockwellautomation Plc-5 Controller, Rockwellautomation Slc 500 Controller.
How do I fix CVE-2012-4690?
No fix has been published for CVE-2012-4690 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2012-4690 being exploited?
There is no known exploitation of CVE-2012-4690 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mqxm-crwg-978x.