How severe is CVE-2023-43817?

CVE-2023-43817 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-43817 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43817?

CVE-2023-43817 affects Deltaww Dopsoft. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-43817?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-43817 have an EU (EUVD) identifier?

Yes. CVE-2023-43817 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-48182.

When was CVE-2023-43817 published?

CVE-2023-43817 was published on 2024-01-18 and last updated on 2026-06-17.

CVE-2023-43817

CVE-2023-43817 is a high-severity vulnerability in Deltaww Dopsoft with a CVSS 3.x base score of 7.5. 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-120.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.8
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-48182
Weakness: CWE-120
Affected product: Deltaww Dopsoft
Published: 2024-01-18
Last modified: 2026-06-17

Description

A buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft version 2 when parsing the wMailContentLen field of a DPS file. An anonymous attacker can exploit this vulnerability by enticing a user to open a specially crafted DPS file to achieve code execution.

Frequently asked questions

What is CVE-2023-43817?: A buffer overflow exists in Delta Electronics Delta Industrial Automation DOPSoft version 2 when parsing the wMailContentLen field of a DPS file. An anonymous attacker can exploit this vulnerability by enticing a user to open a specially crafted DPS file to achieve code execution.
How severe is CVE-2023-43817?: CVE-2023-43817 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-43817 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43817?: CVE-2023-43817 affects Deltaww Dopsoft. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-43817?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-43817 have an EU (EUVD) identifier?: Yes. CVE-2023-43817 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-48182.
When was CVE-2023-43817 published?: CVE-2023-43817 was published on 2024-01-18 and last updated on 2026-06-17.

References

https://blog.exodusintel.com/2024/01/18/delta-electronics-delta-industrial-automation-dopsoft-dps-file-wmailcontentlen-buffer-overflow-remote-code-execution/

Affected products (1)

cpe:2.3:a:deltaww:dopsoft:*:*:*:*:*:*:*:*

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