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Back to CVE-2023-21843

How to verify CVE-2023-21843

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 97 NVT checks for CVE-2023-21843. 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='1.3.6.1.4.1.25623.1.0.103386' details='1'/>"
NVT OIDs (97)
  • 1.3.6.1.4.1.25623.1.0.103386since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.114701since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.149182since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.151159since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.152630since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.705331since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.705335since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.826783since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.826784since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.827042since 2026-06-25

+ 87 more NVTs

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