High severity · published Jun 16, 2020
CVE-2020-7502
A CWE-787: Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (Firmware version 4.3 and prior), which may cause a Denial of Service when specific TCP/IP…
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
A CWE-787: Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (Firmware version 4.3 and prior), which may cause a Denial of Service when specific TCP/IP crafted packets are sent to the Modicon M218 Logic Controller.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
Modicon M218 Firmware · Schneider-electric
through 4.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-7502
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-7502
Vendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2020-161-01
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