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PatchSiren cyber security CVE debrief

CVE-2024-8255 Delta Electronics CVE debrief

Delta Electronics DTN Soft versions 2.0.1 and prior contain a deserialization of untrusted data vulnerability that can lead to remote code execution. The vulnerability was disclosed by CISA on August 29, 2024, with a CVSS 3.1 score of 7.8 (HIGH). The attack vector is local, requiring user interaction but no privileges, and can result in complete confidentiality, integrity, and availability compromise of the affected system. Delta Electronics has released version 2.1 to address this vulnerability.

Vendor
Delta Electronics
Product
DTN Soft
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2024-08-29
Original CVE updated
2024-08-29
Advisory published
2024-08-29
Advisory updated
2024-08-29

Who should care

Organizations using Delta Electronics DTN Soft for industrial control system configuration or management, particularly in operational technology (OT) environments where DTN Soft is deployed for device programming and network configuration.

Technical summary

CVE-2024-8255 is a deserialization of untrusted data vulnerability in Delta Electronics DTN Soft versions 2.0.1 and prior. Successful exploitation allows an attacker to achieve remote code execution with high impact to confidentiality, integrity, and availability. The CVSS 3.1 attack vector is local with required user interaction, indicating the vulnerability is likely triggered through malicious file or data processing. Delta Electronics has released DTN Soft version 2.1 as a vendor fix.

Defensive priority

HIGH

Recommended defensive actions

  • Update Delta Electronics DTN Soft to version 2.1 immediately
  • Verify current DTN Soft version through application settings or installation records
  • If immediate patching is not possible, restrict local access to systems running DTN Soft and avoid opening untrusted files
  • Monitor for suspicious process execution or unexpected network connections from DTN Soft hosts
  • Review ICS-CERT recommended practices for defense-in-depth strategies for industrial control systems

Evidence notes

CISA ICS Advisory ICSA-24-242-02 published 2024-08-29 confirms Delta Electronics DTN Soft <=2.0.1 is vulnerable to deserialization of untrusted data leading to remote code execution. CVSS 3.1 vector AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H yields score 7.8. Vendor fix available via Delta Electronics Download Center.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-8255 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-8255

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2024-8255 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-8255

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2024/icsa-24-242-02.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-24-242-02

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ncas/tips/ST04-014

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.