CVE-2021-22699

Summary

CVECVE-2021-22699
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-26 20:15:00 UTC
Updated2022-02-03 16:14:00 UTC
DescriptionImproper 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.

Risk And Classification

Problem Types: CWE-20

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Schneider-electric Modicon M241 - All All All
Operating System Schneider-electric Modicon M241 Firmware All All All All
Hardware Schneider-electric Modicon M251 - All All All
Operating System Schneider-electric Modicon M251 Firmware All All All All
Hardware Se Modicon M241 - All All All
Operating System Se Modicon M241 Firmware All All All All
Hardware Se Modicon M251 - All All All
Operating System Se Modicon M251 Firmware All All All All

References

ReferenceSourceLinkTags
download.schneider-electric.com/files MISC download.schneider-electric.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 590812 Schneider Electric Modicon M241 and M251 Logic Controllers Vulnerability (SEVD-2021-130-05)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report