rxerium/CVE-2025-4427-CVE-2025-4428
PoC files
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Analysis
Technical assessment
The artifact is a README describing a Nuclei template for detecting vulnerable versions of Ivanti Endpoint Manager Mobile. It does not contain exploit or scanner code itself, but its stated purpose is version detection, which is a scanner function.
Backdoor review
No backdoor observed in reviewed code
The supplied evidence consists solely of a README.md file describing two CVEs, a detection template, and usage instructions. No executable code, scripts, or configuration files are included in the reviewed text. The README contains no concealed commands, deceptive payloads, or instructions that would cause harm to the person running the PoC. The only actionable instruction is to run a publicly available Nuclei scanner with a template, which is standard security testing behavior.
Classification basis and observed behavior
Classification basis
The README explicitly states the artifact is a 'Version detection template' (line 9) and provides instructions to run it with Nuclei to check a host (lines 19-21). This is a scanner function, not an exploit. No exploit code is present in the provided text.
README.md:9README.md:19-21Requirements
- Requires Nuclei to run the detection template.
README.md:19-21
Observed behavior
- Describes a version detection template that matches vulnerable versions of Ivanti Endpoint Manager Mobile.
README.md:7-13 - Provides instructions to run the template with Nuclei against a target host.
README.md:19-21
Behaviors behind the backdoor verdict
Observables
- Instruction
- Run nuclei -u https://yourHost.com -t template.yamlThe README instructs the user to download and run the Nuclei vulnerability scanner against a target host. This is normal behavior for a PoC detection template and does not indicate a backdoor.
README.md:21 - Contact
- Signal link: https://signal.me/#eu/0Qd68U1ivXNdWCF4hf70UYFo7tB0w-GQqFpYcyV6-yr4exn2SclB6bFeP7wTAxQwThe README provides a Signal contact link for questions. This is a common practice in open-source projects and does not constitute a backdoor.
README.md:52
What the analysis did not establish
- Only the README.md file content is provided; the actual Nuclei template file (template.yaml) and any other files are omitted. The analysis is based solely on the README description.
- The evidence packet reports complete_artifact_coverage as false, indicating not all files from the repository are included.
- Only the README.md file was provided as readable text; two other files (likely the template.yaml and possibly a license) were present in the repository but not included in the review. Their content could not be assessed.
- The analysis is limited to static review of the provided text; no dynamic analysis or execution was performed.
This review is limited to the supplied PoC code and context. It does not assert that the code works or is safe to execute.