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Back to CVE-2021-26937

How to verify CVE-2021-26937

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 31 NVT checks for CVE-2021-26937. 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='1.3.6.1.4.1.25623.1.0.146303' details='1'/>"
NVT OIDs (31)
  • 1.3.6.1.4.1.25623.1.0.146303since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.704861since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.844844since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.853641since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879015since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.879024since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.883338since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.892570since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.910691since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.10.2021.0109since 2026-06-25

+ 21 more NVTs

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