Vulnerability Details : CVE-2020-7565
A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.
Products affected by CVE-2020-7565
- cpe:2.3:o:schneider-electric:modicon_m221_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7565
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 23 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7565
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:A/AC:M/Au:N/C:P/I:P/A:N |
5.5
|
4.9
|
NIST | |
|
7.3
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |
2.1
|
5.2
|
NIST |
CWE ids for CVE-2020-7565
-
The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.Assigned by: cybersecurity@se.com (Primary)
References for CVE-2020-7565
-
https://www.se.com/ww/en/download/document/SEVD-2020-315-05/
Security Notification - Modicon M221 Programmable Logic Controller | Schneider ElectricVendor Advisory
-
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04
Schneider Electric Modicon M221 Programmable Logic Controller | CISAThird Party Advisory;US Government Resource
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