XSS in Fortinet Fortios
CVE-2016-3978
The Web User Interface (WebUI) in FortiOS 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 (XSS) attacks via the "redirect" parameter to "login."
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.059 (93.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.059 · newest: 0.059 · change: 0.000
Affected products
- Fortinet Fortios — versions 5.0.0, 5.0.1, 5.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- seclists.org/fulldisclosure/2016/Mar/68 (mailing-list)
- www.securitytracker.com/id/1035332 (vdb-entry)
- www.fortiguard.com/advisory/fortios-open-redirect-vulnerability (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-3978?
- CVE-2016-3978 is a medium-severity vulnerability in Fortinet Fortios, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2016-04-08.
- How severe is CVE-2016-3978?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2016-3978 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.