CVE-2021-22787 — Improper Input Validation in Modicon M340 Bmxp342020 Firmware

CWE-20 — Improper Input Validation3 documents3 sources
Severity
7.5HIGHNVD
EPSS
0.4%
top 37.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Schneider-electric Modicon M340 Bmxp342020 Firmware
Timeline
PublishedFeb 11
Latest updateFeb 12

Description

A CWE-20: Improper Input Validation vulnerability exists that could cause denial of service of the device when an attacker sends a specially crafted HTTP request to the web server of the device. Affected Product: Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Processors with integrated Ethernet (Copro): TSXP574634, TSXP575634, TSXP576634 (All Versions…

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-6hhq-23pq-rm6g: A CWE-20: Improper Input Validation vulnerability exists that could cause denial of service of the device when an attacker sends a specially crafted H↗2022-02-12
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CVEList
CVE-2021-22787: A CWE-20: Improper Input Validation vulnerability exists that could cause denial of service of the device when an attacker sends a specially crafted H↗2022-02-11
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CVE-2021-22787 — Improper Input Validation | cvebase