Vulnerability Details : CVE-2020-7524
Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (V5.0.0.7 and prior) which could cause Denial of Service when sending specific crafted IPV4 packet to the controller: Sending a specific IPv4 protocol package to Schneider Electric Modicon M218 Logic Controller can cause IPv4 devices to go down. The device does not work properly and must be powered back on to return to normal.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2020-7524
- cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7524
0.54%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7524
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-7524
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: cybersecurity@se.com (Primary)
References for CVE-2020-7524
-
https://www.se.com/ww/en/download/document/SEVD-2020-224-03/
Security Notification - Modicon M218 Logic Controller | Schneider ElectricVendor Advisory
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