CVE-2017-3812 Denial of service in Cisco Industrial Ethernet 2000 Switches 15.2(5.4.32i)E2
Unauthenticated remote attackers can cause a denial of service via memory leak in Cisco Industrial Ethernet 2000 Series Switches.
- 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-2017-3812?
CVE-2017-3812 is a medium-severity denial of service vulnerability in Cisco Industrial Ethernet 2000 Switches 15.2(5.4.32i)E2, published on 3 Feb 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the implementation of Common Industrial Protocol (CIP) functionality in Cisco Industrial Ethernet 2000 Series Switches could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition due to a system memory leak. More Information: CSCvc54788. Known Affected Releases: 15.2(5.4.32i)E2. Known Fixed Releases: 15.2(5.4.62i)E2.
Weakness: CWE-772
Which versions are affected by CVE-2017-3812?
It affects 1 product.
Products include Cisco Industrial Ethernet 2000 Series Firmware.
How do I fix CVE-2017-3812?
No fix has been published for CVE-2017-3812 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-2017-3812 being exploited?
There is no known exploitation of CVE-2017-3812 in the wild and no public exploit code.
Sources
Also known as GHSA-7cr5-677c-xw64.