How to verify CVE-2021-28168

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 7 NVT checks for CVE-2021-28168. 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='1.3.6.1.4.1.25623.1.0.125348' details='1'/>"

NVT OIDs (7)

1.3.6.1.4.1.25623.1.0.125348since 2026-06-25
1.3.6.1.4.1.25623.1.0.149973since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2021.1181since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2024.1036since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2024.1037since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2024.1038since 2026-06-25
1.3.6.1.4.1.25623.1.1.16.2024.1039since 2026-06-25

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