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Back to CVE-2021-33477

How to verify CVE-2021-33477

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 16 NVT checks for CVE-2021-33477. 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='1.3.6.1.4.1.25623.1.0.879671' details='1'/>"
NVT OIDs (16)
  • 1.3.6.1.4.1.25623.1.0.879671since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879685since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879691since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879697since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879888since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879892since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.892671since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.892681since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.892682since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.892683since 2026-06-25

+ 6 more NVTs

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