9.8

CVE-2024-11737: schneider electric modicon controllers m241 / m251 Improper Input Validation

CVSS: 9.8v3.1CriticalDeferred
Published 11-12-2024Last modified 11-12-2024
Open JSON

Vulnerability summary

CVE-2024-11737 is a critical (CVSS 9.8) Improper Input Validation vulnerability in schneider electric modicon controllers m241 / m251. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.5% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.64%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-12-2024
    PublishedVulnerability first disclosed.
  2. 11-12-2024
    Last modifiedVulnerability information updated.

Description

CWE-20: Improper Input Validation vulnerability exists that could lead to a denial of service and a loss of confidentiality, integrity of the controller when an unauthenticated crafted Modbus packet is sent to the device.

CVSS metrics

4 scores · 2 sources · 2 versions

EPSS trend

Probability

0.64%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

0.00 pp

From 0.64% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Schneider electric2 products

1 vendor · 2 products

References

1 links