No exploitation reported

CVE-2023-23444

No exploitation reported by the sources we read.

Published2023-05-12
WeaknessCWE-306

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2023-05-1213:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-23444?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-23444?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Sick fx0-gent00000 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Sick fx0-gent00010 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

Sick fx0-gent00030 firmwareversion to verify

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

8 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

sick.comVendor Advisory
sick.comVendor Advisory
sick.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionnone2025-01-24
OpenCVESSVC decisionnone—
CNACVSS 3.17.5read 2026-10-23
NVDCVSS 3.18.2read 2026-10-23
CISA-ADPweakness (CWE)CWE-3062025-01-24
NVDweakness (CWE)CWE-306read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Published: 2023-05-12
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-23444?

Is CVE-2023-23444 actively exploited?

Active exploitation of CVE-2023-23444 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-23444?

CVE-2023-23444 has a CVSS v3 base score of 8.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H.

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