CVE-2021-22800
HIGH
7.5
CVSS Score
Published: February 11, 2022 at 05:40 PM UTC
Updated: June 17, 2026 at 03:37 AM UTC
3 products affected across 1 vendorModicon M218 FirmwareModicon M218Electric Modicon M218
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Severity
HIGH7.5
Exploit prediction
EPSS 1%
Description
A CWE-20: Improper Input Validation vulnerability exists that could cause a Denial of Service when a crafted packet is sent to the controller over network port 1105/TCP. Affected Product: Modicon M218 Logic Controller (V5.1.0.6 and prior)
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 5.1.0.6
schneider-electric-modicon-m218 (same device)
All versions
80%
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-285-04CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-20
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