CVE-2020-28214 — MEDIUM (5.5)

Vulnerability Description

A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all versions), that could allow an attacker to pre-compute the hash value using dictionary attack technique such as rainbow tables, effectively disabling the protection that an unpredictable salt would provide.

CVSS Score

5.5

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

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

Related Weaknesses (CWE)

CWE-760

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-2020-28214?

CVE-2020-28214 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all versions), that could allow an attacker to pre-compute the hash value using dictionar...

How severe is CVE-2020-28214?

CVE-2020-28214 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-28214?

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