How severe is CVE-2023-5459?

CVE-2023-5459 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-5459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-5459?

CVE-2023-5459 primarily affects Deltaww Dvp32es200r Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-5459?

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

When was CVE-2023-5459 published?

CVE-2023-5459 was published on 2023-10-09 and last updated on 2026-06-17.

CVE-2023-5459

CVE-2023-5459 is a medium-severity vulnerability in Deltaww Dvp32es200r 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-404.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.1
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-404
Affected product: Deltaww Dvp32es200r Firmware
Published: 2023-10-09
Last modified: 2026-06-17

Description

A vulnerability has been found in Delta Electronics DVP32ES2 PLC 1.48 and classified as critical. This vulnerability affects unknown code of the component Password Transmission Handler. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. VDB-241582 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2023-5459?: A vulnerability has been found in Delta Electronics DVP32ES2 PLC 1.48 and classified as critical. This vulnerability affects unknown code of the component Password Transmission Handler. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. VDB-241582 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2023-5459?: CVE-2023-5459 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-5459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-5459?: CVE-2023-5459 primarily affects Deltaww Dvp32es200r Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-5459?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-5459 published?: CVE-2023-5459 was published on 2023-10-09 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:o:deltaww:dvp32es200r_firmware:1.48:*:*:*:*:*:*:*
cpe:2.3:o:deltaww:dvp32es200t_firmware:1.48:*:*:*:*:*:*:*
cpe:2.3:o:deltaww:dvp32es211t_firmware:1.48:*:*:*:*:*:*:*
cpe:2.3:o:deltaww:dvp32es200rc_firmware:1.48:*:*:*:*:*:*:*
cpe:2.3:o:deltaww:dvp32es200tc_firmware:1.48:*:*:*:*:*:*:*
cpe:2.3:o:deltaww:dvp32es200re_firmware:1.48:*:*:*:*:*:*:*
cpe:2.3:o:deltaww:dvp32es200te_firmware:1.48:*:*:*:*:*:*:*

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