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How to verify CVE-2021-44228

Confirm whether your systems are actually affected — run the exact detection check below (Nuclei command or OpenVAS NVT). Detection only; it does not exploit.

How to verify this vulnerability

Scanner data tells you how to confirm whether your systems are actually affected — not just that the CVE exists. Run a Nuclei template against your target for a yes/no answer in seconds.

What's a Nuclei template? Nuclei is a free, open-source scanner. A template is a small YAML rule that probes a target and reports whether it's vulnerable. Runs locally, no agent.
1 · AUTOMATEDDetection command
nuclei -id CVE-2021-44228 -u https://your-target -rl 50 -timeout 10

Runs against your own host. Don't have Nuclei? Install guide ↗

51 Nuclei templates
  • criticalOfficialVerifiedhttpApache Druid - Remote Code Execution (Apache Log4j)GitHub ↗
  • criticalOfficialVerifiedhttpApache Solr 7+ - Remote Code Execution (Apache Log4j)GitHub ↗
  • criticalOfficialVerifiedhttpCisco Unified Communications - Remote Code Execution (Apache Log4j)GitHub ↗
  • criticalOfficialVerifiedhttpCisco vManage (Log4j) - Remote Code ExecutionGitHub ↗
  • criticalOfficialhttpApache OFBiz - JNDI Remote Code Execution (Apache Log4j)GitHub ↗
  • criticalOfficialhttpCisco BroadWorks - Remote Code Execution (Apache Log4j)GitHub ↗

+ 45 more templates — sign in to browse all.

Find every CVE you can verify

Search the whole database by Nuclei coverage — filter by vendor, severity and KEV to build a verification list for your entire stack.

  • Filter all CVEs that ship a Nuclei template
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This template is on GitHub already — an account lets you search and filter every CVE that has one, not just this CVE.

Nuclei References

Verify with OpenVAS

Greenbone/OpenVAS ships 186 NVT checks for CVE-2021-44228. 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='1.3.6.1.4.1.25623.1.0.104256' details='1'/>"
NVT OIDs (186)
  • 1.3.6.1.4.1.25623.1.0.104256since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.104310since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.104606since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.113858since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.113861since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.113886since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.114242since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.117822since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.117823since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.117824since 2026-06-25

+ 176 more NVTs

New to OpenVAS? Greenbone documentation ↗
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