CVEvulnerability

CVE-2021-22699

7.5 HIGH Published 2021-05-26 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-05-26
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
7.8 HIGH — AV:N/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-20

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.

Affected configurations

• schneider-electric modicon m241 firmware (< 5.1.9.1) • schneider-electric modicon m251 firmware (< 5.1.9.1)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References