Back to CVE-2021-2161
How to verify CVE-2021-2161
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-2021-2161. 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='1.3.6.1.4.1.25623.1.0.146038' details='1'/>" NVT OIDs (39)
1.3.6.1.4.1.25623.1.0.146038since 2026-06-251.3.6.1.4.1.25623.1.0.146976since 2026-06-251.3.6.1.4.1.25623.1.0.150656since 2026-06-251.3.6.1.4.1.25623.1.0.818127since 2026-06-251.3.6.1.4.1.25623.1.0.818129since 2026-06-251.3.6.1.4.1.25623.1.0.853810since 2026-06-251.3.6.1.4.1.25623.1.0.853828since 2026-06-251.3.6.1.4.1.25623.1.0.853894since 2026-06-251.3.6.1.4.1.25623.1.0.853965since 2026-06-251.3.6.1.4.1.25623.1.0.853967since 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.