How severe is CVE-2023-30223?

CVE-2023-30223 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 high, and availability none.

Is CVE-2023-30223 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30223?

CVE-2023-30223 primarily affects 4d Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-30223?

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-2023-30223 published?

CVE-2023-30223 was published on 2023-06-16 and last updated on 2026-06-17.

CVE-2023-30223

CVE-2023-30223 is a high-severity vulnerability in 4d Server 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: 4d Server
Published: 2023-06-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-30223?: 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.
How severe is CVE-2023-30223?: CVE-2023-30223 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 high, and availability none.
Is CVE-2023-30223 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30223?: CVE-2023-30223 primarily affects 4d Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-30223?: 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-2023-30223 published?: CVE-2023-30223 was published on 2023-06-16 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:4d:server:17:*:*:*:*:*:*:*
cpe:2.3:a:4d:server:18:-:*:*:*:*:*:*
cpe:2.3:a:4d:server:18:r5:*:*:*:*:*:*
cpe:2.3:a:4d:server:19:-:*:*:*:*:*:*
cpe:2.3:a:4d:server:19:r7:*:*:*:*:*:*

More vulnerabilities in 4d Server

CVE-2024-39847 — High (CVSS 7.5): Unauthenticated attackers can exploit a weakness in the XML parser functionality of the SOAP endpoints in 4D server.…
CVE-2023-30222 — High (CVSS 7.5): An information disclosure vulnerability in 4D SAS 4D Server Application v17, v18, v19 R7 and earlier allows attackers…
CVE-2023-4770 — Medium (CVSS 6.5): An uncontrolled search path element vulnerability has been found on 4D and 4D server Windows executables applications,…

All CVEs affecting 4d Server →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →