Vulnerability in Nette Application

CVE-2020-15227

Nette versions before 2.0.19, 2.1.13, 2.2.10, 2.3.14, 2.4.16, 3.0.6 are vulnerable to an code injection attack by passing specially formed parameters to URL that may possibly leading to RCE. Nette is a PHP/Composer MVC Framework.

EPSS: 0.938 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

  • Nette Application — versions >= 2.0.0, < 2.0.19, >= 2.1.0, < 2.1.13, >= 2.2.0, < 2.2.10

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-15227?
CVE-2020-15227 is a high-severity vulnerability in Nette Application, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.7/10. Published 2020-10-01.
How severe is CVE-2020-15227?
High severity. CVSS v3 base score is 8.7 out of 10.
Is CVE-2020-15227 known to be exploited?
22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.