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Vulnerability record · CVE-2023-30223 · published 16 June 2023

CVE-2023-30223: 4d server improper authentication vulnerability

44d · Server

A broken authentication vulnerability in 4D SAS 4D Server software v17, v18, v19 R7, and earlier allows attackers to send crafted TCP packets containing requests to perform arbitrary actions.

7.5 CVSS 3.1 High EPSS 1.1% · top 35.1% CWE-287 · Improper authentication
7.5CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A broken authentication vulnerability in 4D SAS 4D Server software v17, v18, v19 R7, and earlier allows attackers to send crafted TCP packets containing requests to perform arbitrary actions.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blog.4d.com/security-bulletin-two-cves-and-how-to-stay-secure/
https://packetstormsecurity.com Not ApplicableThird Party AdvisoryVDB Entry
https://www.infigo.is/en/insights/42/information-disclosure-and-broken-authentication-in-4d-sas-4d-server/ Exploit
https://blog.4d.com/security-bulletin-two-cves-and-how-to-stay-secure/
https://packetstormsecurity.com Not ApplicableThird Party AdvisoryVDB Entry
https://www.infigo.is/en/insights/42/information-disclosure-and-broken-authentication-in-4d-sas-4d-server/ Exploit

Track CVE-2023-30223 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-30223), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.