CVE-2016-8371 Auth bypass in Phoenix Contact ILC PLCs
Attackers can access the web server of Phoenix Contact ILC PLCs without authentication, bypassing security controls even when enabled.
- 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-2016-8371?
CVE-2016-8371 is a high-severity authentication bypass vulnerability in Phoenix Contact ILC PLCs, published on 5 Apr 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The web server in Phoenix Contact ILC PLCs can be accessed without authenticating even if the authentication mechanism is enabled.
Which versions are affected by CVE-2016-8371?
It affects 1 product.
Products include Phoenixcontact Ilc Plcs Firmware.
How do I fix CVE-2016-8371?
No fix has been published for CVE-2016-8371 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2016-8371 being exploited?
There is no known exploitation of CVE-2016-8371 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Phoenix Contact ILC PLCs
Sources
Also known as GHSA-vprp-wv7r-hv9r.