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CVE-2017-7733

22
FAUCET Score

CVE-2017-7733 is a Cross-Site Scripting (XSS) vulnerability affecting Fortinet FortiOS versions 5.4.0 through 5.4.5 and 5.6.0. This flaw allows an unauthenticated remote attacker to execute arbitrary JavaScript code through the webUI "Login Disclaimer" redir parameter. Rated as MEDIUM severity (CVSS 6.1), it requires user interaction but can lead to low impact on confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
5.4.0CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:5.4.0:*:*:*:*:*:*:*
5.4.1CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:5.4.1:*:*:*:*:*:*:*
5.4.2CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:5.4.2:*:*:*:*:*:*:*
5.4.3CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:5.4.3:*:*:*:*:*:*:*
5.4.4CPE matchmatch criteria
cpe:2.3:o:fortinet:fortios:5.4.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.28%
Probability of exploitation in next 30 days
EPSS Percentile
67.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0128 is in the 80th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

fortinetvendor investigatingvia nvd_reference
View patch

References

fortiguard.com / psirt/FG-IR-17-113
Vendor Advisory
securityfocus.com / bid/101563
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039677
Third Party AdvisoryVDB Entry