How severe is CVE-2023-36638?

CVE-2023-36638 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-36638 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-36638?

CVE-2023-36638 primarily affects Fortinet Fortianalyzer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-36638?

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

When was CVE-2023-36638 published?

CVE-2023-36638 was published on 2023-09-13 and last updated on 2026-06-17.

CVE-2023-36638

CVE-2023-36638 is a medium-severity vulnerability in Fortinet Fortianalyzer with a CVSS 3.x base score of 4.3. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Fortinet Fortianalyzer
Published: 2023-09-13
Last modified: 2026-06-17

Description

An improper privilege management vulnerability [CWE-269] in FortiManager 7.2.0 through 7.2.2, 7.0.0 through 7.0.7, 6.4.0 through 6.4.11, 6.2 all versions, 6.0 all versions and FortiAnalyzer 7.2.0 through 7.2.2, 7.0.0 through 7.0.7, 6.4.0 through 6.4.11, 6.2 all versions, 6.0 all versions API may allow a remote and authenticated API admin user to access some system settings such as the mail server settings through the API via a stolen GUI session ID.

Frequently asked questions

What is CVE-2023-36638?: An improper privilege management vulnerability [CWE-269] in FortiManager 7.2.0 through 7.2.2, 7.0.0 through 7.0.7, 6.4.0 through 6.4.11, 6.2 all versions, 6.0 all versions and FortiAnalyzer 7.2.0 through 7.2.2, 7.0.0 through 7.0.7, 6.4.0 through 6.4.11, 6.2 all versions, 6.0 all versions API may allow a remote and authenticated API admin user to access some system settings such as the mail server settings through the API via a stolen GUI session ID.
How severe is CVE-2023-36638?: CVE-2023-36638 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-36638 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36638?: CVE-2023-36638 primarily affects Fortinet Fortianalyzer. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-36638?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-36638 published?: CVE-2023-36638 was published on 2023-09-13 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-522

Affected products (2)

cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:*

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