Vulnerability in Schneider Electric Modicon M340 CPU (Part Numbers Bmxp34*)
CVE-2024-8933
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (19.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Schneider Electric Modicon M340 CPU (Part Numbers Bmxp34*) — versions All versions
- Schneider Electric Modicon Mc80 (Part Numbers Bmkc80) — versions All versions
- Schneider Electric Modicon Momentum Unity M1e Processor (171cbu*) — versions All Versions
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2024-8933?
- CVE-2024-8933 is a high-severity vulnerability in Schneider Electric Modicon M340 CPU (Part Numbers Bmxp34*), classified under Improper Enforcement of Message Integrity During Transmission in a Communication Channel. CVSS score: 7.5/10. Published 2024-11-13.
- How severe is CVE-2024-8933?
- High severity. CVSS v3 base score is 7.5 out of 10.