Back to CVE-2021-27219
How to verify CVE-2021-27219
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 42 NVT checks for CVE-2021-27219. 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='1.3.6.1.4.1.25623.1.0.147421' details='1'/>" NVT OIDs (42)
1.3.6.1.4.1.25623.1.0.147421since 2026-06-251.3.6.1.4.1.25623.1.0.844860since 2026-06-251.3.6.1.4.1.25623.1.0.853629since 2026-06-251.3.6.1.4.1.25623.1.0.879081since 2026-06-251.3.6.1.4.1.25623.1.0.879118since 2026-06-251.3.6.1.4.1.25623.1.0.883354since 2026-06-251.3.6.1.4.1.25623.1.0.893044since 2026-06-251.3.6.1.4.1.25623.1.0.910713since 2026-06-251.3.6.1.4.1.25623.1.1.10.2021.0318since 2026-06-251.3.6.1.4.1.25623.1.1.11.2021.2147since 2026-06-25
+ 32 more NVTs
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