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Back to CVE-2021-26701

How to verify CVE-2021-26701

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 20 NVT checks for CVE-2021-26701. 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='1.3.6.1.4.1.25623.1.0.834851' details='1'/>"
NVT OIDs (20)
  • 1.3.6.1.4.1.25623.1.0.834851since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879253since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879256since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879269since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879279since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879286since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879294since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.11.2021.0787since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.11.2021.0788since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.11.2021.0789since 2026-06-25

+ 10 more NVTs

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