Vulnerability Details : CVE-2020-28220
A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions), that could cause a buffer overflow when the length of a file transferred to the webserver is not verified.
Vulnerability category: Overflow
Products affected by CVE-2020-28220
- cpe:2.3:a:schneider-electric:somachine:*:*:*:*:*:*:*:*
- cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:a:schneider-electric:somachine_motion:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-28220
0.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-28220
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.2
|
MEDIUM | AV:A/AC:L/Au:S/C:P/I:P/A:P |
5.1
|
6.4
|
NIST | |
|
6.8
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.9
|
5.9
|
NIST |
CWE ids for CVE-2020-28220
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: cybersecurity@se.com (Primary)
References for CVE-2020-28220
-
https://www.se.com/ww/en/download/document/SEVD-2020-343-09/
Security Notification - Modicon M258 Logic Controllers and SoMachine/ SoMachine Motion Software | Schneider ElectricVendor Advisory
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