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Back to CVE-2021-3531

How to verify CVE-2021-3531

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 15 NVT checks for CVE-2021-3531. 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='1.3.6.1.4.1.25623.1.0.844993' details='1'/>"
NVT OIDs (15)
  • 1.3.6.1.4.1.25623.1.0.844993since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.845119since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.853846since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.853918since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879638since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879646since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879651since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.12.2021.4998.1since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.12.2021.5128.1since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.1.2.2023.3629since 2026-06-25

+ 5 more NVTs

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