How to verify CVE-2023-4039

Confirm whether your systems are actually affected — run the exact detection check below (Nuclei command or OpenVAS NVT). Detection only; it does not exploit.

Verify with OpenVAS

Greenbone/OpenVAS ships 44 NVT checks for CVE-2023-4039. OpenVAS detects this CVE by NVT OID — enable the NVT in your scan config, or confirm it is in your feed with the query below.

Confirm the NVT is in your feed (GMP)

gvm-cli socket --xml "<get_nvts nvt_oid='1.3.6.1.4.1.25623.1.0.136333' details='1'/>"

NVT OIDs (44)

1.3.6.1.4.1.25623.1.0.136333since 2026-06-25
1.3.6.1.4.1.25623.1.0.833188since 2026-06-25
1.3.6.1.4.1.25623.1.0.833414since 2026-06-25
1.3.6.1.4.1.25623.1.0.833450since 2026-06-25
1.3.6.1.4.1.25623.1.1.12.2025.7700.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2023.1735since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2025.1042since 2026-06-25
1.3.6.1.4.1.25623.1.1.17.2023.0312since 2026-06-25
1.3.6.1.4.1.25623.1.1.18.1.2024.13233.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.18.1.2024.13234.1since 2026-06-25

+ 34 more NVTs

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