The vulnerability of microprogrammed software in Schneider Electric’s programmable logic controllers Modicon M221, M100, and M200 lies in the small number of possible random values. This allows attackers to circumvent existing security restrictions by using brute-force attacks.
🗓️ 31 Aug 2021 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 9 Views
| Reporter | Title | Published | Views | Family All 13 |
|---|---|---|---|---|
 | Schneider Electric Modicon M221 Security Breach | 19 Nov 202000:00 | – | cnnvd |
 | CVE-2020-7566 | 19 Nov 202021:10 | – | cve |
 | CVE-2020-7566 | 19 Nov 202021:10 | – | cvelist |
 | EUVD-2020-28691 | 7 Oct 202500:30 | – | euvd |
 | Schneider Electric Modicon M221 Programmable Logic Controller | 8 Dec 202000:00 | – | ics |
 | Vulnerabilities fixed in Schneider Electric products | 13 Nov 202000:00 | – | ncsc |
 | CVE-2020-7566 | 19 Nov 202022:15 | – | nvd |
 | Schneider-electric Modicon Unspecified Vulnerability | 10 Aug 202100:00 | – | nessus |
| Schneider Electric Modicon M221 Programmable Logic Controller Small Space of Random Values (CVE-2020-7566) | 1 Mar 202300:00 | – | nessus |
 | Design/Logic Flaw | 19 Nov 202022:15 | – | prion |
10
| Source | Link |
|---|---|
| download | www.download.schneider-electric.com/files |
| web | www.web.nvd.nist.gov/view/vuln/detail |
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31 Aug 2021 00:00Current
7.2High risk
Vulners AI Score7.2
CVSS 37.1
CVSS 28.3
EPSS0.00292