CVE Vulnerability

CVE-2021-22699

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.

7.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-130-05 Vendor Advisory
Configurations

Configuration 1
Information

Published : 2021-05-26 08:15

Updated : 2022-02-03 04:14

NVD link : CVE-2021-22699

Mitre link : CVE-2021-22699

Products Affected

Modicon M251 Firmware

Schneider-electric

CWE
CWE-20