CVEvulnerability
CVE-2020-28214
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-12-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- 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 configurations
• schneider-electric modicon m221 firmware
Related
Weakness · CWE (1)
- CWE-760 Use of a One-Way Hash with a Predictable Salt weakness
References
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 Third Party Advisory, US Government Resource
- https://www.se.com/ww/en/download/document/SEVD-2020-315-05/ Vendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 Third Party Advisory, US Government Resource
- https://www.se.com/ww/en/download/document/SEVD-2020-315-05/ Vendor Advisory