| Title | SonicWall SonicOS 7.0 - Open Redirect |
|---|---|
| Author | gy741 |
| Severity | Medium |
| Impact | Attackers can redirect users to malicious sites, steal sensitive information, or perform unauthorized operations, leading to potential data breaches or phishing attacks. |
| Remediation | Implement proper validation and sanitization of Host headers to prevent spoofing and open redirects. |
| CVSS Score | 6.1 |
| EPSS Score | 0.36219 |
| CVE ID | CVE-2021-20031 |
| CWE ID | CWE-601 |
| Tags | cve cve2021 sonicwall redirect edb packetstorm vuln |
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.
GET / HTTP/1.1
Host: 38FEhe6Z8CZFANC0f0tnzc0mKsV.tld
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0.2 Safari/605.1.15
Connection: close
Accept-Encoding: gzip
🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2021/CVE-2021-20031.yaml
🦈 Packet Capture: ⬇️ Download cve-2021-20031.pcap
N/AN/A