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Vulnerability record · CVE-2020-15227 · published 1 October 2020

CVE-2020-15227: Nette application injection vulnerability

Nette · Application

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.

9.8 CVSS 3.1 Critical EPSS 34% · top 1.6% CWE-74 · InjectionCWE-94 · Code injection
9.8CVSS 3.1 base score, v2 7.5
34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nette/application/security/advisories/GHSA-8gv3-3j7f-wg94 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00003.html Mailing ListThird Party Advisory
https://packagist.org/packages/nette/application Third Party Advisory
https://packagist.org/packages/nette/nette Third Party Advisory
https://github.com/nette/application/security/advisories/GHSA-8gv3-3j7f-wg94 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00003.html Mailing ListThird Party Advisory
https://packagist.org/packages/nette/application Third Party Advisory
https://packagist.org/packages/nette/nette Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-15227), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.