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Vulnerability record · CVE-2024-27920 · published 15 March 2024

CVE-2024-27920: Projectdiscovery nuclei os command injection vulnerability

Projectdiscovery · Nuclei

projectdiscovery/nuclei is a fast and customisable vulnerability scanner based on simple YAML based DSL. A significant security oversight was identified in Nuclei v3, involving the execution of unsigned code templates through workflows. This vulnerability specifically affects users utilizing custom workflows, potentially allowing the execution of malicious code on the user's system. This advisory outlines the impacted users, provides details on the security patch, and suggests mitigation strategies. The vulnerability is addressed in Nuclei v3.2.0. Users are strongly recommended to update to this version to mitigate the security risk. Users should refrain from using custom workflows if unable to upgrade immediately. Only trusted, verified workflows should be executed.

7.4 CVSS 3.1 High EPSS 0.41% · top 67.2% CWE-78 · OS command injection
7.4CVSS 3.1 base score
0.41%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

projectdiscovery/nuclei is a fast and customisable vulnerability scanner based on simple YAML based DSL. A significant security oversight was identified in Nuclei v3, involving the execution of unsigned code templates through workflows. This vulnerability specifically affects users utilizing custom workflows, potentially allowing the execution of malicious code on the user's system. This advisory outlines the impacted users, provides details on the security patch, and suggests mitigation strategies. The vulnerability is addressed in Nuclei v3.2.0. Users are strongly recommended to update to this version to mitigate the security risk. Users should refrain from using custom workflows if unable to upgrade immediately. Only trusted, verified workflows should be executed.

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.projectdiscovery.io/templates/protocols/code Technical Description
https://docs.projectdiscovery.io/templates/reference/template-signing Technical Description
https://docs.projectdiscovery.io/templates/workflows/overview Technical Description
https://github.com/projectdiscovery/nuclei/pull/4822 Issue Tracking
https://github.com/projectdiscovery/nuclei/security/advisories/GHSA-w5wx-6g2r-r78q Vendor Advisory
https://docs.projectdiscovery.io/templates/protocols/code Technical Description
https://docs.projectdiscovery.io/templates/reference/template-signing Technical Description
https://docs.projectdiscovery.io/templates/workflows/overview Technical Description
https://github.com/projectdiscovery/nuclei/pull/4822 Issue Tracking
https://github.com/projectdiscovery/nuclei/security/advisories/GHSA-w5wx-6g2r-r78q Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2024-27920), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.