CVE-2021-36766
🗓️ 27 Jul 2021 05:38:42Reported by mitreType 
cve🔗 web.nvd.nist.gov📰️ 4 Media mentions👁 123 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 17 |
|---|---|---|---|---|
 | CVE-2021-36766 | 30 Jul 202114:15 | – | attackerkb |
 | Concrete5 Logging PHP Code Execution | 5 Aug 202100:00 | – | bdu_fstec |
 | CVE-2021-36766 | 30 Jul 202118:21 | – | circl |
 | Portlandlabs Concrete5 代码问题漏洞 | 20 Jul 202100:00 | – | cnnvd |
 | Portlandlabs Concrete5 code issue vulnerability | 21 Jul 202100:00 | – | cnvd |
 | CVE-2021-36766 | 27 Jul 202105:38 | – | cvelist |
 | A8: Insecure Deserialization ❗️ — Top 10 OWASP 2017 | 28 Sep 202106:31 | – | d0znpp |
 | EUVD-2021-23354 | 7 Oct 202500:30 | – | euvd |
 | Concrete CMS: Phar Deserialization Vulnerability via Logging Settings | 20 Dec 202017:38 | – | hackerone |
 | CVE-2021-36766 | 27 Jul 202105:38 | – | mend |
10
Node
| Source | Link |
|---|---|
| hackerone | www.hackerone.com/reports/1063039 |
| packetstormsecurity | www.packetstormsecurity.com/files/163564/Concrete5-8.5.5-Phar-Deserialization.html |
| seclists | www.seclists.org/fulldisclosure/2021/Jul/36 |
| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| logFile | query param | controllers/single_page/dashboard/system/environment/logging.php | PHP Object Injection via phar:// stream wrapper due to unsanitized logFile parameter used in file_exists(), enabling arbitrary PHP object deserialization and code execution. | CWE-502 |
Data
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17 Jun 2026 03:59Current
7.1High risk
Vulners AI Score7.1
CVSS 26.5
CVSS 3.17.2
EPSS0.0368