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Back to CVE-2021-20227

How to verify CVE-2021-20227

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 9 NVT checks for CVE-2021-20227. 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='1.3.6.1.4.1.25623.1.0.118510' details='1'/>"
NVT OIDs (9)
  • 1.3.6.1.4.1.25623.1.0.118510since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.148488since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.844831since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.12.2021.4732.1since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.16.2021.1252since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.2.2021.1965since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.2.2021.1973since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.2.2021.2056since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.2.2021.2067since 2026-06-25
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