websafe-kb/07-framework-security/frameworks/symfony/cases/symfony-cve-2021-32693.md

---
title: "Authentication granted to all firewalls instead of just one"
system_id: "symfony"
category: "frameworks"
advisory_mode: "core"
published_date: "2021-06-21T17:03:44Z"
updated_date: "2026-03-13T22:01:16.333089Z"
severity: "low"
exploit_status: "unknown"
source_confidence: "official"
verification_status: "triage-manual"
verification_mode: "synthetic"
artifact_mode: "synthetic"
last_run_id: ""
target_types:
  - "lab-local"
  - "lab-public"
  - "authorized-third-party"
allow_public_validation: "yes, with ownership or explicit authorization"
authorization_prerequisite: "asset ownership proof or explicit written authorization"
minimal_validation: "read-only probe, controlled payload, reversible test"
aliases:
  - "BIT-symfony-2021-32693"
  - "CVE-2021-32693"
  - "GHSA-rfcf-m67m-jcrq"
affected_versions:
  - "v5.3.0"
  - "v5.3.1"
  - "introduced=5.3.0, fixed<5.3.2"
fixed_versions:
  - "5.3.2"
secure_code_topics:
  - "xss-output-encoding"
  - "authz-server-side-recheck"
  - "path-traversal-guard"
  - "token-cookie-storage"
primary_source: "https://github.com/symfony/symfony/security/advisories/GHSA-rfcf-m67m-jcrq"
---

# Authentication granted to all firewalls instead of just one

## 本地实证状态

- 实证状态: `triage-manual`
- 实证方式: `synthetic`
- Artifact 模式: `synthetic`
- 最近运行: `-`
- 浏览器证据: `missing`
- Run Bundle: `-`

## 事件层

- Canonical ID: `symfony--CVE-2021-32693`
- 系统: `symfony`
- 严重度: `low`
- 来源置信度: `official`
- 官方主源: https://github.com/symfony/symfony/security/advisories/GHSA-rfcf-m67m-jcrq
- 影响版本: `v5.3.0, v5.3.1, introduced=5.3.0, fixed<5.3.2`
- 修复版本: `5.3.2`

## 其他来源

- https://nvd.nist.gov/vuln/detail/CVE-2021-32693
- https://github.com/symfony/security-http/commit/6bf4c31219773a558b019ee12e54572174ff8129
- https://github.com/symfony/symfony/commit/3084764ad82f29dbb025df19978b9cbc3ab34728
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-http/CVE-2021-32693.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2021-32693.yaml
- https://github.com/symfony/security-http
- https://symfony.com/blog/cve-2021-32693-authentication-granted-to-all-firewalls-instead-of-just-one
- https://symfony.com/cve-2021-32693

## 实验层

- 仅用于自有资产、测试环境或已明确授权目标。
- 允许公网可达目标，但必须满足资产归属或明确授权前提。
- 最小化验证方式: 最小化验证、只读探测、可审计回显、受控注入。
- 若该案例涉及插件、模块或扩展，应同时检查供应链与升级策略。
- 禁止场景: 无归属证明或无明确授权的公网目标；知名公共网站或与测试无关的第三方资产；会造成持久破坏、数据越权下载或不可回滚影响的动作

## 修复示例

- [javascript-typescript:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/javascript-typescript/xss-output-encoding.md)
- [nodejs:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/nodejs/xss-output-encoding.md)
- [java:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/java/xss-output-encoding.md)
- [php:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/php/xss-output-encoding.md)
- [python:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/python/xss-output-encoding.md)
- [ruby:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/ruby/xss-output-encoding.md)
- [csharp:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/csharp/xss-output-encoding.md)
- [go:xss-output-encoding](/Users/x/websafe/05-defense/secure-code/go/xss-output-encoding.md)
- [javascript-typescript:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/javascript-typescript/authz-server-side-recheck.md)
- [nodejs:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/nodejs/authz-server-side-recheck.md)
- [java:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/java/authz-server-side-recheck.md)
- [php:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/php/authz-server-side-recheck.md)
- [python:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/python/authz-server-side-recheck.md)
- [ruby:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/ruby/authz-server-side-recheck.md)
- [csharp:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/csharp/authz-server-side-recheck.md)
- [go:authz-server-side-recheck](/Users/x/websafe/05-defense/secure-code/go/authz-server-side-recheck.md)
- [javascript-typescript:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/javascript-typescript/path-traversal-guard.md)
- [nodejs:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/nodejs/path-traversal-guard.md)
- [java:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/java/path-traversal-guard.md)
- [php:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/php/path-traversal-guard.md)
- [python:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/python/path-traversal-guard.md)
- [ruby:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/ruby/path-traversal-guard.md)
- [csharp:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/csharp/path-traversal-guard.md)
- [go:path-traversal-guard](/Users/x/websafe/05-defense/secure-code/go/path-traversal-guard.md)
- [javascript-typescript:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/javascript-typescript/token-cookie-storage.md)
- [nodejs:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/nodejs/token-cookie-storage.md)
- [java:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/java/token-cookie-storage.md)
- [php:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/php/token-cookie-storage.md)
- [python:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/python/token-cookie-storage.md)
- [ruby:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/ruby/token-cookie-storage.md)
- [csharp:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/csharp/token-cookie-storage.md)
- [go:token-cookie-storage](/Users/x/websafe/05-defense/secure-code/go/token-cookie-storage.md)