How severe is CVE-2017-7738?

CVE-2017-7738 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-7738 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7738?

CVE-2017-7738 affects Fortinet Fortios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-7738?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-7738 published?

CVE-2017-7738 was published on 2017-12-13 and last updated on 2026-06-17.

CVE-2017-7738

CVE-2017-7738 is a high-severity vulnerability in Fortinet Fortios with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 4.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Fortinet Fortios
Published: 2017-12-13
Last modified: 2026-06-17

Description

An Information Disclosure vulnerability in Fortinet FortiOS 5.6.0 to 5.6.2, 5.4.0 to 5.4.5, 5.2 and below versions allow an admin user with super_admin privileges to view the current SSL VPN web portal session info which may contains user credentials through the fnsysctl CLI command.

Frequently asked questions

What is CVE-2017-7738?: An Information Disclosure vulnerability in Fortinet FortiOS 5.6.0 to 5.6.2, 5.4.0 to 5.4.5, 5.2 and below versions allow an admin user with super_admin privileges to view the current SSL VPN web portal session info which may contains user credentials through the fnsysctl CLI command.
How severe is CVE-2017-7738?: CVE-2017-7738 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-7738 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7738?: CVE-2017-7738 affects Fortinet Fortios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-7738?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-7738 published?: CVE-2017-7738 was published on 2017-12-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fortinet:fortios:*:*:*:*:*:*:*:*

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