How severe is CVE-2023-36635?

CVE-2023-36635 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2023-36635 being actively exploited?

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

What products are affected by CVE-2023-36635?

CVE-2023-36635 primarily affects Fortinet Fortiswitchmanager. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-36635?

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-2023-36635 published?

CVE-2023-36635 was published on 2023-09-07 and last updated on 2026-06-17.

CVE-2023-36635

CVE-2023-36635 is a high-severity vulnerability in Fortinet Fortiswitchmanager with a CVSS 3.x base score of 7.1. 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: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Fortinet Fortiswitchmanager
Published: 2023-09-07
Last modified: 2026-06-17

Description

An improper access control in Fortinet FortiSwitchManager version 7.2.0 through 7.2.2 7.0.0 through 7.0.1 may allow a remote authenticated read-only user to modify the interface settings via the API.

Frequently asked questions

What is CVE-2023-36635?: An improper access control in Fortinet FortiSwitchManager version 7.2.0 through 7.2.2 7.0.0 through 7.0.1 may allow a remote authenticated read-only user to modify the interface settings via the API.
How severe is CVE-2023-36635?: CVE-2023-36635 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2023-36635 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-36635?: CVE-2023-36635 primarily affects Fortinet Fortiswitchmanager. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-36635?: 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-2023-36635 published?: CVE-2023-36635 was published on 2023-09-07 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-174

Affected products (5)

cpe:2.3:a:fortinet:fortiswitchmanager:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiswitchmanager:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiswitchmanager:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiswitchmanager:7.2.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiswitchmanager:7.2.2:*:*:*:*:*:*:*

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