How severe is CVE-2023-23444?

CVE-2023-23444 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-23444 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-23444?

CVE-2023-23444 primarily affects Sick Ue410-en4 Firmware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-23444?

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.

When was CVE-2023-23444 published?

CVE-2023-23444 was published on 2023-05-12 and last updated on 2026-06-17.

CVE-2023-23444

CVE-2023-23444 is a high-severity vulnerability in Sick Ue410-en4 Firmware 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-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Sick Ue410-en4 Firmware
Published: 2023-05-12
Last modified: 2026-06-17

Description

Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with Partnumbers 1042193, 1042964, 1044078, 1044072, 1044073, 1044074, 1099830, 1099832, 1127717, 1069070, 1112296, 1051432, 1102420, 1127487, 1121596, 1121597 allows an unauthenticated remote attacker to influence the availability of the device by changing the IP settings of the device via broadcasted UDP packets.

Frequently asked questions

What is CVE-2023-23444?: Missing Authentication for Critical Function in SICK Flexi Classic and Flexi Soft Gateways with Partnumbers 1042193, 1042964, 1044078, 1044072, 1044073, 1044074, 1099830, 1099832, 1127717, 1069070, 1112296, 1051432, 1102420, 1127487, 1121596, 1121597 allows an unauthenticated remote attacker to influence the availability of the device by changing the IP settings of the device via broadcasted UDP packets.
How severe is CVE-2023-23444?: CVE-2023-23444 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-23444 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-23444?: CVE-2023-23444 primarily affects Sick Ue410-en4 Firmware. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-23444?: 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.
When was CVE-2023-23444 published?: CVE-2023-23444 was published on 2023-05-12 and last updated on 2026-06-17.

References

Affected products (11)

cpe:2.3:o:sick:ue410-en4_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sick:ue410-en3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sick:ue410-en1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sick:fx0-gpnt00030_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sick:fx0-gpnt00010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sick:fx0-gpnt00000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sick:fx0-gmod00010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sick:fx0-gmod00000_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sick:fx0-gent00030_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sick:fx0-gent00010_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:sick:fx0-gent00000_firmware:-:*:*:*:*:*:*:*

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