CVE-2020-7567 Information disclosure in Modicon M221, all references, all versions
An attacker can capture traffic and break encryption to reveal password hashes from Modicon M221 controllers, exposing sensitive credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-7567?
CVE-2020-7567 is a high-severity vulnerability in Modicon M221, all references, all versions, published on 19 Nov 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A CWE-311: Missing Encryption of Sensitive Data vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to find the password hash when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller and broke the encryption keys.
Weakness: CWE-311
Which versions are affected by CVE-2020-7567?
It affects 1 product.
Products include Schneider-Electric Modicon M221 Firmware.
How do I fix CVE-2020-7567?
No fix has been published for CVE-2020-7567 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-7567 being exploited?
There is no known exploitation of CVE-2020-7567 in the wild and no public exploit code.
Other vulnerabilities in Modicon M221, all references, all versions
- CVE-2020-28214 Weak cryptography in Modicon M221 (all references, all versions)
- CVE-2018-7790 Auth bypass in Modicon M221, all references, all versions prior to firmware V1.6.2.0
- CVE-2018-7791 Auth bypass in Modicon M221, all references, all versions prior to firmware V1.6.2.0
- CVE-2018-7821 Denial of service in SoMachine Basic and Modicon M221, SoMachine Basic, all versions Modicon M221, all references, all versions prior to firmware V1.10.0.0
- CVE-2018-7792 Weak cryptography in Modicon M221, all references, all versions prior to firmware V1.6.2.0
Sources
Also known as GHSA-3g22-36vj-437q.