Improper handling of exceptional conditions in Schneider Electric Modicon M580
Priority LOW 36CWE-248Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-248.
Summary
A CWE-248: Uncaught Exception vulnerability exists in Modicon M580 (firmware versions prior to V2.90), Modicon M340 (firmware versions prior to V3.10), Modicon Premium (all versions), Modicon Quantum (all versions), which could cause a possible denial of service when reading invalid data from the controller.
Why it matters now
EPSS 0.01757 78th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Schneider Electric | Modicon M580 | firmware version prior to V2.90 | — | No fix listed | CNA |
| Schneider Electric | Modicon M340 | firmware version prior to V3.10 | — | No fix listed | CNA |
| Schneider Electric | Modicon Premium | all versions | — | No fix listed | CNA |
| Schneider Electric | Modicon Quantum | all versions | — | No fix listed | CNA |
- Modicon M580 VendorSchneider Electric Affected firmware version prior to V2.90 Fixed in — No fix listed CNA
- Modicon M340 VendorSchneider Electric Affected firmware version prior to V3.10 Fixed in — No fix listed CNA
- Modicon Premium VendorSchneider Electric Affected all versions Fixed in — No fix listed CNA
- Modicon Quantum VendorSchneider Electric Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:* | before 2.90 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* | before 3.10 | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_premium:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
| cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:* | all versions | Vulnerable | Schneider Electric |
| cpe:2.3:h:schneider-electric:modicon_quantum:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Schneider Electric |
- cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:* Versions before 2.90 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* Versions before 3.10 Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_premium:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
- cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Schneider Electric
- cpe:2.3:h:schneider-electric:modicon_quantum:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-6809
- 2026-10-03 Alias added: GHSA-f73x-vrcr-2p7q
References
More Schneider Electric Modicon M340 Firmware vulnerabilities
- TI-2019-04862 Improper handling of exceptional conditions in Schneider Electric Modicon M580 CVSS 3.1HIGH 7.5
- TI-2018-05690 Improper handling of exceptional conditions in Modicon M580 Modicon M340 Modicon Quantum… CVSS 3.1HIGH 7.5
- TI-2018-05680 Authentication bypass by spoofing in Modicon M580 Modicon M340 Modicon Quantum Modicon… CVSS 3.1CRITICAL 9.8
- TI-2018-05684 Exposure of resource to wrong sphere in Modicon M580 Modicon M340 Modicon Quantum Modicon… CVSS 3.1CRITICAL 9.8
- TI-2019-04884 Information disclosure in Modicon M580, Modicon M340, Modicon Premium , Modicon Quantum CVSS 3.1HIGH 7.5
- TI-2019-04843 Missing authentication in Modicon M580 Modicon M340 Modicon Quantum Modicon Premium CVSS 3.1CRITICAL 9.8
Sources
- CVE-2019-6809 · CVE Program
- CVE-2019-6809 · NVD
- FIRST EPSS
- GHSA-f73x-vrcr-2p7q · GitHub Advisory Database · CC BY 4.0
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