Vulnerability · Published Dec 11, 2020 · Assigned by schneider
CVE-2020-28214
Critical 9.8
In plain English
A critical-severity security flaw in Modicon M221 (all references, all versions). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.7%top 44.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Modicon M221 (all references, all versions) | Modicon M221 (all references, all versions) |
Weakness: CWE-760 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://www.se.com/ww/en/download/document/SEVD-2020-315-05/ x_refsource_CONFIRM
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 x_refsource_MISC