CVE-2020-7488 Information disclosure in EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions)
Attackers can intercept sensitive information transmitted between EcoStruxure software and Modicon controllers due to cleartext transmission.
- 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-2020-7488?
CVE-2020-7488 is a high-severity vulnerability in EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions), published on 22 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 controllers.
Weakness: CWE-319
Which versions are affected by CVE-2020-7488?
It affects 7 products.
Products include Schneider-Electric Ecostruxure Machine Expert, Schneider-Electric Modicon M218 Firmware, Schneider-Electric Modicon M241 Firmware, Schneider-Electric Modicon M251 Firmware, Schneider-Electric Modicon M258 Firmware, Schneider-Electric Somachine and 1 more.
How do I fix CVE-2020-7488?
No fix has been published for CVE-2020-7488 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-7488 being exploited?
There is no known exploitation of CVE-2020-7488 in the wild and no public exploit code.
Other vulnerabilities in EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions)
- CVE-2020-7487 Code injection in EcoStruxure Machine Expert (all versions)SoMachine, SoMachine Motion (all versions)Modicon M218 Logic Controller (all versions)Modicon M241 Logic Controller (all versions)Modicon M251 Logic Controller (all versions)Modicon M258 Logic Controller (all versions)
- CVE-2020-7489 Code injection in SoMachine Basic (all versions)EcoStruxure Machine Expert – Basic (all versions)Modicon M100 Logic Controller (all versions)Modicon M200 Logic Controller (all versions)Modicon M221 Logic Controller (all versions)
- CVE-2021-22704 Path traversal in Harmony/HMI Products Configured by Vijeo Designer (all versions prior to V6.2 SP11 ), Vijeo Designer Basic (all versions prior to V1.2), or EcoStruxure Machine Expert (all versions prior to V2.0)
- CVE-2021-22705 Memory corruption in Harmony HMI Products Configured by Vijeo Designer (all versions prior to V6.2 SP11 ) or EcoStruxure Machine Expert (all versions prior to V2.0)
Sources
Also known as GHSA-qvw5-8j7m-vjcv.