What is the CVSS score of CVE-2019-6828?

CVE-2019-6828 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.5%.

Modicon M580 Firmware CVE-2019-6828

HIGH

Uncaught Exception (CWE-248)

2019-09-17 cybersecurity@se.com

Denial Of Service Schneider Electric Modicon M580 Firmware Modicon M340 Firmware Modicon Quantum Firmware Modicon Premium Firmware

7.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-248 OWASP Top 10:2025 A10:2025 - Mishandling of Exceptional Conditions ASVS 5.0 V16 - Security Logging and Error Handling Exception handling completeness
Impact	CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 1.5% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

A CWE-248: Uncaught Exception vulnerability exists Modicon M580 (firmware version prior to V2.90), Modicon M340 (firmware version prior to V3.10), Modicon Premium (all versions), and Modicon Quantum. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-248. A CWE-248: Uncaught Exception vulnerability exists Modicon M580 (firmware version prior to V2.90), Modicon M340 (firmware version prior to V3.10), Modicon Premium (all versions), and Modicon Quantum (all versions), which could cause a possible denial of service when reading specific coils and registers in the controller over Modbus. Affected products include: Schneider-Electric Modicon M580 Firmware, Schneider-Electric Modicon M340 Firmware, Schneider-Electric Modicon Premium Firmware, Schneider-Electric Modicon Quantum Firmware.

Know when Modicon M580 Firmware gets its next vulnerability

Watch products and get an email when something new is published
Check this CVE against your own stack and servers
Exploit and PoC references, threat intelligence from 22 sources

Continue with Google Continue with GitHub

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionNVD

A CWE-248: Uncaught Exception vulnerability exists Modicon M580 (firmware version prior to V2.90), Modicon M340 (firmware version prior to V3.10), Modicon Premium (all versions), and Modicon Quantum (all versions), which could cause a possible denial of service when reading specific coils and registers in the controller over Modbus.

Threat Intelligence Overview

EPSS Score

1.5%

Top 28% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 1.5%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +2

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:*

cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:*

More in Modicon M580 Firmware

View all

CVE-2018-7852 HIGH Act Now POC

7.5 May 22

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, a

CVE-2019-6808 CRITICAL Act Now POC

9.8 May 22

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quant

CVE-2019-6807 HIGH This Week POC

7.5 May 22

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, a

CVE-2019-6806 HIGH This Week POC

7.5 May 22

A CWE-200: Information Exposure vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum,

CVE-2020-7475 CRITICAL Act Now

9.8 Mar 23

A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'), reflective

CVE-2019-6848 HIGH This Week

8.6 Oct 29

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 CPU (BMEx58*) and Modicon M5

CVE-2019-6857 HIGH This Week

7.5 Jan 06

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modi

CVE-2019-6856 HIGH This Week

7.5 Jan 06

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modi

CVE-2019-6819 HIGH This Week

7.5 May 22

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists which could cause a possible Denial

CVE-2018-7794 HIGH This Week

7.5 Jan 06

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modi

CVE-2019-6829 HIGH This Week

7.5 Sep 17

A CWE-248: Uncaught Exception vulnerability exists in Modicon M580 (firmware version prior to V2.90) and Modicon M340 (f

CVE-2023-25619 HIGH This Week

7.5 Apr 19

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause denial of service

Same weakness CWE-248 – Uncaught Exception

View all

CVE-2013-10065 HIGH POC

8.7

CVE-2026-62909 HIGH POC

7.8

CVE-2026-82410 HIGH POC

8.7

CVE-2023-0790 HIGH POC

8.8

CVE-2026-53530 HIGH POC

8.7

CVE-2026-61544 HIGH POC

8.2

CVE-2026-62985 HIGH POC

7.5

CVE-2026-102281 HIGH POC

7.5

Same technique Denial Of Service

View all

CVE-2015-5119 CRITICAL POC

9.8

CVE-2011-2462 CRITICAL POC

9.8

CVE-2011-0611 HIGH POC

8.8

CVE-2012-1889 HIGH POC

8.8

CVE-2012-0507 CRITICAL POC

9.8

CVE-2014-1761 HIGH POC

7.8

CVE-2015-5122 CRITICAL POC

9.8

CVE-2011-0609 HIGH POC

7.8

References

Advisories & patches

ADVISORY https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

Back