CVE-2020-15227
Medium PUBLISHEDRemote Code Execution vulnerability
Not yet in CISA KEV
Recommended Action
Review exposure in your environment and monitor for exploitation signals before broader rollout.
At a Glance
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.
- Published
- Oct 01, 2020
- First Seen
- Jul 11, 2025
- CVSS
- 8.7 High
- EPSS
- —
Recommended Actions
- Review exposure in your environment and monitor for exploitation signals before broader rollout.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
| Source | Added |
|---|---|
| The Shadowserver (via CIRCL) First | 2025-07-11 00:00 UTC |
Detection Context
Request patterns and scanner artifacts observed for this CVE. Operational detection logic guidance is coming soon.
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-15227.yaml | Apr 25, 2025 |
CVSS Scores
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Exploitation Status
Proof of concept available
Recorded 2020-10-10 02:38:15 UTC · GitHub
Weaknesses (CWE)
-
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-15227.yaml | Apr 25, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2020-11-15 15:30:01 UTC · 1 stars
CVE-2020-15227 checker
nuclei · Created Unknown
Timeline
-
Added to KEVIntel
-
Detected by Nuclei
-
Proof of Concept Exploit Available
-
CVE Published to Public
-
CVE ID Reserved
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v1/pro/kevs/CVE-2020-15227
{
"cve_id": "CVE-2020-15227",
"title": "Remote Code Execution vulnerability",
"affected_vendor": "nette",
"affected_product": "application",
"confidence": "Medium",
"cvss_score": 8.7,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": false,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}