id: CVE-2021-20031 info: name: SonicWall SonicOS 7.0 - Open Redirect author: gy741 severity: medium description: SonicWall SonicOS 7.0 contains an open redirect vulnerability. The values of the Host headers are implicitly set as trusted. An attacker can spoof a particular host header, allowing the attacker to render arbitrary links, obtain sensitive information, modify data, execute unauthorized operations. and/or possibly redirect a user to a malicious site. reference: - https://www.exploit-db.com/exploits/50414 - https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0019 - http://packetstormsecurity.com/files/164502/Sonicwall-SonicOS-7.0-Host-Header-Injection.html - https://nvd.nist.gov/vuln/detail/CVE-2021-20031 classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N cvss-score: 6.1 cve-id: CVE-2021-20031 cwe-id: CWE-601 epss-score: 0.0135 metadata: max-request: 1 google-query: inurl:"auth.html" intitle:"SonicWall" tags: sonicwall,redirect,edb,packetstorm,cve,cve2021 http: - raw: - | GET / HTTP/1.1 Host: {{randstr}}.tld matchers-condition: and matchers: - type: word words: - 'https://{{randstr}}.tld/auth.html' - 'Please be patient as you are being re-directed' part: body condition: and - type: status status: - 200 # Enhanced by md on 2022/10/14