CVE-2021-22699

CWE-20 — Improper Input Validation3 documents3 sources
Severity
7.5HIGH
EPSS
0.4%
top 41.34%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Schneider-electric Modicon M241 FirmwareSchneider-electric Modicon M251 FirmwareModicon M241 M251 Logic Controllers Firmware Prior TO V5.1.9.1
Timeline
PublishedMay 26
Latest updateMay 24

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.

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 Packages3 packages

▶CVEListV5modicon_m241/m251_logic_controllers_firmware_prior_to_v5.1.9.1Modicon M241/M251 logic controllers firmware prior to V5.1.9.1

🔴Vulnerability Details

2
GHSA
GHSA-6vx6-7ghj-3776: Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5↗2022-05-24
▶
CVEList
CVE-2021-22699: Improper Input Validation vulnerability exists in Modicon M241/M251 logic controllers firmware prior to V5↗2021-05-26
▶
CVE-2021-22699 (HIGH CVSS 7.5) | Improper Input Validation vulnerabi | cvebase.io