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Back to CVE-2020-9548

How to verify CVE-2020-9548

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-2020-9548 -u https://your-target -rl 50 -timeout 10

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

1 Nuclei template
  • criticalOfficialVerifiedhttpFasterXML Jackson Databind <=2.9.10.4 - Remote Code ExecutionGitHub ↗

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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 12 NVT checks for CVE-2020-9548. 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='1.3.6.1.4.1.25623.1.0.125348' details='1'/>"
NVT OIDs (12)
  • 1.3.6.1.4.1.25623.1.0.125348since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.125662since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.144297since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.144298since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.171150since 2026-06-25
  • 1.3.6.1.4.1.25623.1.0.892135since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.10.2021.0153since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.11.2020.1644since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.1.2.2020.2135since 2026-06-25
  • 1.3.6.1.4.1.25623.1.1.12.2021.4813.1since 2026-06-25

+ 2 more NVTs

New to OpenVAS? Greenbone documentation ↗
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