CVE Tools
Sign in
Back to CVE-2021-21707

How to verify CVE-2021-21707

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 39 NVT checks for CVE-2021-21707. 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='1.3.6.1.4.1.25623.1.0.147187' details='1'/>"
NVT OIDs (39)
  • 1.3.6.1.4.1.25623.1.0.147187since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.147188since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.149928since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.705082since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.819302since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.819343since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.819392since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.845266since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.845270since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.854357since 2026-06-25

+ 29 more NVTs

New to OpenVAS? Greenbone documentation ↗
Confirmed exposed? That's one CVE on one host.
We check your whole external estate — hundreds of IPs and domains — for this and thousands more, on a schedule.
Scan my estate
Verify another CVE