Auth bypass in Fast-Report Fastreport
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/FastReports/FastReport/pull/206 (Third Party Advisory)
- opensource.fast-report.com/2020/09/report-script-security.html (Third Party Advisory)
- github.com/FastReports/FastReport/compare/v2020.3.0...v2020.4.0 (Third Party Advisory)
- securitylab.github.com/advisories/GHSL-2020-143-FastReportsInc-FastReports (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27998?
- CVE-2020-27998 is a critical-severity vulnerability in Fast-Report Fastreport, classified under Missing Authorization. CVSS score: 9.8/10. Published 2020-10-29.
- How severe is CVE-2020-27998?
- Critical severity. CVSS v3 base score is 9.8 out of 10.