CVE-2024-8933: schneider electric modicon m340 cpu (part numbers bmxp34*)
Vulnerability summary
CVE-2024-8933 is a high (CVSS 7.5) vulnerability in schneider electric modicon m340 cpu (part numbers bmxp34*). EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.4% of scored vulnerabilities.
Timeline
- 13-11-2024PublishedVulnerability first disclosed.
- 13-11-2024Last modifiedVulnerability information updated.
Description
CWE-924: Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability exists that could cause retrieval of password hash that could lead to denial of service and loss of confidentiality and integrity of controllers. To be successful, the attacker needs to inject themself inside the logical network while a valid user uploads or downloads a project file into the controller.
CVSS metrics
4 scores · 2 sources · 2 versions- NVDNIST7.5HighCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Schneider electric3 products
- modicon m340 cpu (part numbers bmxp34*)All versions (No fix recorded)
- modicon mc80 (part numbers bmkc80)All versions (No fix recorded)
- modicon momentum unity m1e processor (171cbu*)All versions (No fix recorded)
1 vendor · 3 products