What’s Vulnerable › Vulnerabilities

CVE-2020-28214

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-11 · updated 2026-06-17
• Weakness: CWE-760

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.

Affected products

• Modicon M221, all references, all versions: all versions

References

• https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04
• https://www.se.com/ww/en/download/document/SEVD-2020-315-05/
• https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04
• https://www.se.com/ww/en/download/document/SEVD-2020-315-05/

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