How severe is CVE-2018-13365?

CVE-2018-13365 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-13365 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13365?

CVE-2018-13365 affects Fortinet Fortios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-13365?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-13365 published?

CVE-2018-13365 was published on 2019-05-29 and last updated on 2026-06-17.

CVE-2018-13365

CVE-2018-13365 is a medium-severity vulnerability in Fortinet Fortios with a CVSS 3.x base score of 5.3. 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: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Fortinet Fortios
Published: 2019-05-29
Last modified: 2026-06-17

Description

An Information Exposure vulnerability in Fortinet FortiOS 6.0.1, 5.6.5 and below, allow attackers to learn private IP as well as the hostname of FortiGate via Application Control Block page.

Frequently asked questions

What is CVE-2018-13365?: An Information Exposure vulnerability in Fortinet FortiOS 6.0.1, 5.6.5 and below, allow attackers to learn private IP as well as the hostname of FortiGate via Application Control Block page.
How severe is CVE-2018-13365?: CVE-2018-13365 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-13365 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13365?: CVE-2018-13365 affects Fortinet Fortios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-13365?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-13365 published?: CVE-2018-13365 was published on 2019-05-29 and last updated on 2026-06-17.

References

https://fortiguard.com/advisory/FG-IR-18-085

Affected products (1)

cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

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