CVE-2020-27998

Name: CVE-2020-27998
Creator: NVD / NIST
Published: 2020-10-29T18:15:12.787+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.33%

Last modified Jun 17, 2026

CVE-2020-27998 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.33% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

2.33%

81.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Fast-Report	Fastreport	< 2020.4.0

References

https://github.com/FastReports/FastReport/compare/v2020.3.0...v2020.4.0Third Party Advisory
https://github.com/FastReports/FastReport/pull/206Third Party Advisory
https://opensource.fast-report.com/2020/09/report-script-security.htmlThird Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-143-FastReportsInc-FastReportsExploit, Third Party Advisory
https://github.com/FastReports/FastReport/compare/v2020.3.0...v2020.4.0Third Party Advisory
https://github.com/FastReports/FastReport/pull/206Third Party Advisory
https://opensource.fast-report.com/2020/09/report-script-security.htmlThird Party Advisory
https://securitylab.github.com/advisories/GHSL-2020-143-FastReportsInc-FastReportsExploit, Third Party Advisory

Timeline

Published: Oct 29, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-27998?

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.

How severe is CVE-2020-27998?

CVE-2020-27998 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27998?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27998?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST