CVE-2021-22800 — Improper Input Validation in Modicon M218 Firmware

CWE-20 — Improper Input Validation3 documents3 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 36.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Schneider-electric Modicon M218 Firmware
Timeline
PublishedFeb 11
Latest updateFeb 12

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)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

Patches

Patch: download.schneider-electric.com ↗Patch: download.schneider-electric.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-v2xg-g3g4-3w34: 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 net↗2022-02-12
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CVEList
CVE-2021-22800: 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 net↗2022-02-11
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CVE-2021-22800 — Improper Input Validation | cvebase