CVE-2020-7565 — HIGH (7.3) — White Hats Nepal

Vulnerability Description

A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.

CVSS Score

7.3

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Schneider-Electric	Modicon M221 Firmware	-
Schneider-Electric	Modicon M221	-

Related Weaknesses (CWE)

CWE-326

References

https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04Third Party AdvisoryUS Government Resource
https://www.se.com/ww/en/download/document/SEVD-2020-315-05/Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04Third Party AdvisoryUS Government Resource
https://www.se.com/ww/en/download/document/SEVD-2020-315-05/Vendor Advisory

FAQ

What is CVE-2020-7565?

CVE-2020-7565 is a vulnerability with a CVSS score of 7.3 (HIGH). A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the attacker has captured t...

How severe is CVE-2020-7565?

CVE-2020-7565 has been rated HIGH with a CVSS base score of 7.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-7565?

Check the references section above for vendor advisories and patch information. Affected products include: Schneider-Electric Modicon M221 Firmware, Schneider-Electric Modicon M221.