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Back to CVE-2021-32839

How to verify CVE-2021-32839

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 9 NVT checks for CVE-2021-32839. 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='1.3.6.1.4.1.25623.1.0.845221' details='1'/>"
NVT OIDs (9)
  • 1.3.6.1.4.1.25623.1.0.845221since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.854331since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.12.2021.5085.1since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.1.2.2024.4000since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.14.2022.5498since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.18.1.2024.11581.1since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.18.1.2024.13938.1since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.18.1.2026.11221.1since 2026-07-15
  • 1.3.6.1.4.1.25623.1.1.4.2021.3857.1since 2026-06-25
Confirmed exposed? That's one CVE on one host.
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