CVE-2018-7792 Weak cryptography in Modicon M221, all references, all versions prior to firmware V1.6.2.0
Attackers can decode passwords using rainbow tables to gain unauthorized access to Schneider Electric Modicon M221 PLCs.
- 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-2018-7792?
CVE-2018-7792 is a high-severity vulnerability in Schneider Electric SE Modicon M221, all references, all versions prior to firmware V1.6.2.0, published on 29 Aug 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Permissions, Privileges, and Access Control vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to decode the password using rainbow table.
Which versions are affected by CVE-2018-7792?
It affects 1 product.
Products include Schneider-Electric Modicon M221 Firmware.
How do I fix CVE-2018-7792?
No fix has been published for CVE-2018-7792 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-7792 being exploited?
There is no known exploitation of CVE-2018-7792 in the wild and no public exploit code.
Other vulnerabilities in Schneider Electric SE Modicon M221, all references, all versions prior to firmware V1.6.2.0
- 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-2020-7565 Weak cryptography in Modicon M221, all references, all versions
Sources
Also known as GHSA-7w2v-5m57-6fj5.