CVE Vulnerability

CVE-2020-28214

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.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

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

Configuration 1
Information

Published : 2020-12-11 01:15

Updated : 2022-02-03 04:10

NVD link : CVE-2020-28214

Mitre link : CVE-2020-28214

Products Affected

Modicon M221 Firmware

Schneider-electric

CWE
CWE-760

Use of a One-Way Hash with a Predictable Salt