CVE-2020-7562
Summary
| CVE | CVE-2020-7562 |
|---|---|
| State | PUBLISHED |
| Assigner | schneider |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-11-18 14:15:12 UTC |
| Updated | 2026-05-29 14:16:21 UTC |
| Description | A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) which could cause a segmentation fault or a buffer overflow when uploading a specially crafted file on the controller over FTP. |
Risk And Classification
Primary CVSS: v3.1 8.1 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS: 0.004720000 probability, percentile 0.649790000 (date 2026-06-02)
Problem Types: CWE-125 | CWE-125 CWE-125: Out-of-Bounds Read
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 8.1 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
| 3.1 | ADP | DECLARED | 6.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 6.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:H |
| 2.0 | [email protected] | Primary | 5.8 | AV:N/AC:M/Au:N/C:P/I:N/A:P |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
NoneConfidentiality
PartialIntegrity
NoneAvailability
PartialAV:N/AC:M/Au:N/C:P/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | Web Server On Modicon M340 Modicon Quantum And Modicon Premium Legacy Offers And Their Communication Modules See Notification For Details | affected Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Security Notification - Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules | Schneider Electric | af854a3a-2127-422b-91ae-364da2661108 | www.se.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 590469 Schneider Electric Web Server on Modicon M340 Multiple Vulnerabilities (ICSA-21-005-01)