A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause denial of HTTP and FTP services when a series of specially crafted requests is sent to the controller over HTTP.
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.se.com/ww/en/download/document/SEVD-2020-343-06/ |
|
History
Fri, 29 May 2026 22:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
ssvc
|
Status: PUBLISHED
Assigner: schneider
Published: 2020-12-11T00:52:26.000Z
Updated: 2026-05-28T21:05:18.170Z
Reserved: 2020-01-21T00:00:00.000Z
Link: CVE-2020-7549
Updated: 2024-08-04T09:33:19.948Z
Status : Modified
Published: 2020-12-11T01:15:12.627
Modified: 2026-05-28T22:16:57.820
Link: CVE-2020-7549
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