Versio.io

CVE-2021-22699

Common vulnerabilities & exposures (CVE)

CVE databaseCVE database blogpostRelease & EoL database
 
Published at: - 26-05-2021 10:15
Last modified: - 03-02-2022 05:14
Total changes: - 8

Description

Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5.1.9.1 that could cause denial of service when specific crafted requests are sent to the controller over HTTP.

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

OR
AND
OR
vendor=schneider-electric AND product=modicon_m241_firmware AND versionEndExcluding=5.1.9.1
OR
vendor=schneider-electric AND product=modicon_m241 AND version=-
AND
OR
vendor=schneider-electric AND product=modicon_m251_firmware AND versionEndExcluding=5.1.9.1
OR
vendor=schneider-electric AND product=modicon_m251 AND version=-
 

Reference

 


Keywords

NVD

 

CVE-2021-22699

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

We use cookies to ensure that we give you the best experience on our website. Read privacy policies for more information.