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CVE-2019-17658

32
FAUCET Score

CVE-2019-17658 is a critical unquoted service path vulnerability in the FortiClient FortiTray component of FortiClientWindows v6.2.2 and earlier. This flaw allows an unauthenticated attacker to gain elevated privileges by exploiting the FortiClientConsole executable service path. With a CVSS score of 9.8 (CRITICAL), it presents a high risk of complete compromise (confidentiality, integrity, availability). While there is no evidence of active exploitation (KEV: No) and no public exploit code (Metasploit, Nuclei, ExploitDB: None), the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.0.0, <= 6.0.9CPE matchmatch criteria
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*
>= 6.2.0, <= 6.2.2CPE matchmatch criteria
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.18%
Probability of exploitation in next 30 days
EPSS Percentile
80.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0218 is in the 70th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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 / advisory/FG-IR-19-281
Vendor Advisory