Back to CVE-2021-2011
How to verify CVE-2021-2011
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 14 NVT checks for CVE-2021-2011. 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='1.3.6.1.4.1.25623.1.0.844812' details='1'/>" NVT OIDs (14)
1.3.6.1.4.1.25623.1.0.844812since 2026-06-251.3.6.1.4.1.25623.1.0.878938since 2026-06-251.3.6.1.4.1.25623.1.0.878939since 2026-06-251.3.6.1.4.1.25623.1.0.878941since 2026-06-251.3.6.1.4.1.25623.1.0.878942since 2026-06-251.3.6.1.4.1.25623.1.1.11.2021.3590since 2026-06-251.3.6.1.4.1.25623.1.1.11.2021.3811since 2026-06-251.3.6.1.4.1.25623.1.1.12.2021.4716.1since 2026-06-251.3.6.1.4.1.25623.1.1.14.2021.3590since 2026-06-251.3.6.1.4.1.25623.1.1.15.2021.3590since 2026-06-25
+ 4 more NVTs
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