How severe is CVE-2024-5056?

CVE-2024-5056 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2024-5056 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-5056?

CVE-2024-5056 primarily affects Schneider-electric Modicon M340 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-5056?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-5056 have an EU (EUVD) identifier?

Yes. CVE-2024-5056 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46320.

When was CVE-2024-5056 published?

CVE-2024-5056 was published on 2024-06-12 and last updated on 2026-06-17.

CVE-2024-5056

CVE-2024-5056 is a medium-severity vulnerability in Schneider-electric Modicon M340 Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-552.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-46320
Weakness: CWE-552
Affected product: Schneider-electric Modicon M340 Firmware
Published: 2024-06-12
Last modified: 2026-06-17

Description

CWE-552: Files or Directories Accessible to External Parties vulnerability exists which may prevent user to update the device firmware and prevent proper behavior of the webserver when specific files or directories are removed from the filesystem.

Frequently asked questions

What is CVE-2024-5056?: CWE-552: Files or Directories Accessible to External Parties vulnerability exists which may prevent user to update the device firmware and prevent proper behavior of the webserver when specific files or directories are removed from the filesystem.
How severe is CVE-2024-5056?: CVE-2024-5056 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2024-5056 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-5056?: CVE-2024-5056 primarily affects Schneider-electric Modicon M340 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-5056?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-5056 have an EU (EUVD) identifier?: Yes. CVE-2024-5056 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46320.
When was CVE-2024-5056 published?: CVE-2024-5056 was published on 2024-06-12 and last updated on 2026-06-17.

References

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2024-163-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2024-163-01.pdf

Affected products (3)

cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:bmxnoe0100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:schneider-electric:bmxnoe0110_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Schneider-electric Modicon M340 Firmware

CVE-2020-7475 — Critical (CVSS 9.8): A CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'),…
CVE-2019-6808 — Critical (CVSS 9.8): A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon…
CVE-2018-7847 — Critical (CVSS 9.8): A CWE-284: Improper Access Control vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon…
CVE-2018-7846 — Critical (CVSS 9.8): A CWE-501: Trust Boundary Violation vulnerability on connection to the Controller exists in all versions of the Modicon…
CVE-2018-7842 — Critical (CVSS 9.8): A CWE-290: Authentication Bypass by Spoofing vulnerability exists in all versions of the Modicon M580, Modicon M340,…
CVE-2023-25619 — High (CVSS 7.5): A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause denial of service…

All CVEs affecting Schneider-electric Modicon M340 Firmware →

Other CWE-552 (Files or Directories Accessible to External Parties) vulnerabilities

CVE-2025-41240 — Critical (CVSS 10.0): Three Bitnami Helm charts mount Kubernetes Secrets under a predictable path (/opt/bitnami/*/secrets) that is located…
CVE-2024-56731 — Critical (CVSS 10.0): Gogs is an open source self-hosted Git service. Prior to version 0.13.3, it's still possible to delete files under the…
CVE-2024-6209 — Critical (CVSS 10.0): Unauthorized file access in WEB Server in ABB ASPECT - Enterprise v3.08.01; NEXUS Series v3.08.01 ; MATRIX Series…
CVE-2025-14771 — Critical (CVSS 9.9): Files or directories accessible to external parties vulnerability in ABB T-MAC Plus. This issue affects T-MAC Plus:…
CVE-2024-39931 — Critical (CVSS 9.9): Gogs through 0.13.0 allows deletion of internal files.
CVE-2021-43821 — Critical (CVSS 9.9): Opencast is an Open Source Lecture Capture & Video Management for Education. Opencast before version 9.10 or 10.6…

Browse all CWE-552 (Files or Directories Accessible to External Parties) vulnerabilities →