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CVE-2020-7524

Common vulnerabilities & exposures (CVE)

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Published at: - 31-08-2020 07:15
Last modified: - 31-01-2022 08:52
Total changes: - 6

Description

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Low
Attack complexity
Network
Attack vector
High
Availability
None
Confidentiality
None
Integrity
None
Privileges required
Unchanged
Scope
None
User interaction
7.5
Base score
3.9
3.6
Exploitability score
Impact score
 

Verification logic

AND
OR
vendor=schneider-electric AND product=modicon_m218_firmware AND versionEndIncluding=5.0.0.7
OR
vendor=schneider-electric AND product=modicon_m218 AND version=-
 

Reference

 


Keywords

NVD

 

CVE-2020-7524

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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