9.8

CVE-2019-6808: schneider-electric modicon_m340_firmware

CVSS: 9.8v3.1CriticalModified
Published 22-05-2019Last modified 04-08-2024

Vulnerability summary

CVE-2019-6808 is a critical (CVSS 9.8) vulnerability in schneider-electric modicon_m340_firmware. EPSS estimates a 8.16% chance of exploitation in the next 30 days, higher than 94.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
8.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 22-05-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a remote code execution by overwriting configuration settings of the controller over Modbus.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

8.16%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 8.16% on 19-09-2026

19-09-202619-10-2026
EPSS score
8.16%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (talosintelligence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

1 vendor · 4 products

References

2 links