CVE-2020-12505 WAGO: Vulnerability in web-based authentication in WAGO 750-8XX Version <= FW07
Unauthenticated attackers can modify special parameters on WAGO 750-8XX series controllers due to improper authentication mechanisms.
- 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-2020-12505?
CVE-2020-12505 is a high-severity missing authorization vulnerability in WAGO 750-831/xxx-xxx, published on 30 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW07 allows an attacker to change some special parameters without authentication. This issue affects: WAGO 750-852, WAGO 750-880/xxx-xxx, WAGO 750-881, WAGO 750-831/xxx-xxx, WAGO 750-882, WAGO 750-885/xxx-xxx, WAGO 750-889 in versions FW07 and below.
Weakness: CWE-306
Which versions are affected by CVE-2020-12505?
It affects 7 products.
Products include Wago 750-831 Firmware, Wago 750-852 Firmware, Wago 750-880 Firmware, Wago 750-881 Firmware, Wago 750-882 Firmware, Wago 750-885 Firmware and 1 more.
How do I fix CVE-2020-12505?
No fix has been published for CVE-2020-12505 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-12505 being exploited?
There is no known exploitation of CVE-2020-12505 in the wild and no public exploit code.
Sources
Also known as GHSA-8wf3-m6g4-jx6p.