How to verify CVE-2021-31215

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-2021-31215. 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='1.3.6.1.4.1.25623.1.0.853842' details='1'/>"

NVT OIDs (20)

1.3.6.1.4.1.25623.1.0.853842since 2026-06-25
1.3.6.1.4.1.25623.1.0.879640since 2026-06-25
1.3.6.1.4.1.25623.1.0.879649since 2026-06-25
1.3.6.1.4.1.25623.1.0.892886since 2026-06-25
1.3.6.1.4.1.25623.1.1.10.2021.0253since 2026-06-25
1.3.6.1.4.1.25623.1.1.1.2.2022.2886since 2026-06-25
1.3.6.1.4.1.25623.1.1.12.2022.4781.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.18.1.2024.11389.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.4.2021.1787.1since 2026-06-25
1.3.6.1.4.1.25623.1.1.4.2021.1788.1since 2026-06-25

+ 10 more NVTs

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