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.
Published 2020-12-11 01:15:11
Updated 2022-02-03 16:10:17
View at NVD,   CVE.org

Products affected by CVE-2020-28214

Exploit prediction scoring system (EPSS) score for CVE-2020-28214

0.05%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 14 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-28214

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.1
LOW AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
NIST
5.5
MEDIUM CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
1.8
3.6
NIST

CWE ids for CVE-2020-28214

  • The product uses a one-way cryptographic hash against an input that should not be reversible, such as a password, but the product uses a predictable salt as part of the input.
    Assigned by: cybersecurity@se.com (Primary)

References for CVE-2020-28214

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