EUVD-2021-2377

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType

Symfony HTTP kernel addresses cache poisoning risks from untrusted X-Forwarded-Prefix in subrequests.

Reporter	Title	Published	Views	Family All 18
Circl	CVE-2021-41267	24 Nov 202122:27	–	circl
CNNVD	Sensio Labs Symfony 环境问题漏洞	24 Nov 202100:00	–	cnnvd
CVE	CVE-2021-41267	24 Nov 202118:55	–	cve
Cvelist	CVE-2021-41267 Webcache Poisoning in Symfony	24 Nov 202118:55	–	cvelist
Debian CVE	CVE-2021-41267	24 Nov 202118:55	–	debiancve
Friends Of PHP	CVE-2021-41267: Webcache Poisoning via X-Forwarded-Prefix and sub-request	9 Oct 202112:10	–	friendsofphp
Friends Of PHP	CVE-2021-41267: Webcache Poisoning via X-Forwarded-Prefix and sub-request	9 Oct 202112:10	–	friendsofphp
Github Security Blog	Webcache Poisoning in symfony/http-kernel	24 Nov 202120:04	–	github
NVD	CVE-2021-41267	24 Nov 202119:15	–	nvd
OSV	BIT-SYMFONY-2021-41267	6 Mar 202411:07	–	osv

[
  {
    "enisaIdVendor": [
      {
        "id": "e35fc167-9e13-3341-9572-29cb4dd5e354",
        "vendor": {
          "name": "symfony"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "e85dba23-a336-3f28-960d-d9e884cefb06",
        "product": {
          "name": "symfony"
        },
        "product_version": "5.2.0, < 5.3.12"
      }
    ]
  }
]

Source	Link
github	www.github.com/symfony/symfony/security/advisories/GHSA-q3j3-w37x-hq2q
nvd	www.nvd.nist.gov/vuln/detail/CVE-2021-41267
github	www.github.com/symfony/symfony/pull/44243
github	www.github.com/symfony/symfony/commit/95dcf51682029e89450aee86267e3d553aa7c487
github	www.github.com/FriendsOfPHP/security-advisories/blob/master/symfony/http-kernel/CVE-2021-41267.yaml
github	www.github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2021-41267.yaml
github	www.github.com/symfony/symfony/releases/tag/v5.3.12
symfony	www.symfony.com/cve-2021-41267
github	www.github.com/advisories/GHSA-293c-r3p4-g63r

07 Oct 2025 00:30Current

6.4Medium risk

Vulners AI Score6.4

CVSS 3.16.5

CVSS 24.3

EPSS0.01239