CVE-2018-5459 Auth bypass in WAGO PFC200 Series
Attackers can execute unauthenticated remote commands and manipulate PLC applications via network access to the CoDeSys Runtime port.
- 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-2018-5459?
CVE-2018-5459 is a critical authentication bypass vulnerability in WAGO PFC200 Series, published on 13 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An Improper Authentication issue was discovered in WAGO PFC200 Series 3S CoDeSys Runtime versions 2.3.X and 2.4.X. An attacker can execute different unauthenticated remote operations because of the CoDeSys Runtime application, which is available via network by default on Port 2455. An attacker could execute some unauthenticated commands such as reading, writing, or deleting arbitrary files, or manipulate the PLC application during runtime by sending specially-crafted TCP packets to Port 2455.
Weakness: CWE-287
Which versions are affected by CVE-2018-5459?
It affects 1 product.
Products include Wago Pfc200 Firmware.
How do I fix CVE-2018-5459?
No fix has been published for CVE-2018-5459 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-2018-5459 being exploited?
There is no known exploitation of CVE-2018-5459 in the wild and no public exploit code.
Other vulnerabilities in WAGO PFC200 Series
Sources
Also known as GHSA-qff4-8m6q-cpvp.