How to verify CVE-2017-5421

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 12 NVT checks for CVE-2017-5421. 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='1.3.6.1.4.1.25623.1.0.809808' details='1'/>"

NVT OIDs (12)

1.3.6.1.4.1.25623.1.0.809808since 2026-06-25
1.3.6.1.4.1.25623.1.0.809882since 2026-06-25
1.3.6.1.4.1.25623.1.0.810837since 2026-06-25
1.3.6.1.4.1.25623.1.0.810838since 2026-06-25
1.3.6.1.4.1.25623.1.0.843080since 2026-06-25
1.3.6.1.4.1.25623.1.0.843122since 2026-06-25
1.3.6.1.4.1.25623.1.0.851523since 2026-06-25
1.3.6.1.4.1.25623.1.1.10.2018.0018since 2026-06-25
1.3.6.1.4.1.25623.1.1.12.2017.3216.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.12.2017.3216.2since 2026-06-25

+ 2 more NVTs

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