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Back to CVE-2021-3656

How to verify CVE-2021-3656

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 70 NVT checks for CVE-2021-3656. 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='1.3.6.1.4.1.25623.1.0.114700' details='1'/>"
NVT OIDs (70)
  • 1.3.6.1.4.1.25623.1.0.114700since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.147421since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.704978since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.845045since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.845046since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.845053since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.845056since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.845062since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.845063since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.845065since 2026-06-25

+ 60 more NVTs

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