How severe is CVE-2022-26117?

CVE-2022-26117 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-26117 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26117?

CVE-2022-26117 primarily affects Fortinet Fortinac. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-26117?

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-2022-26117 published?

CVE-2022-26117 was published on 2022-07-18 and last updated on 2026-06-17.

CVE-2022-26117

CVE-2022-26117 is a high-severity vulnerability in Fortinet Fortinac with a CVSS 3.x base score of 8.8. 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-521.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-521
Affected product: Fortinet Fortinac
Published: 2022-07-18
Last modified: 2026-06-17

Description

An empty password in configuration file vulnerability [CWE-258] in FortiNAC version 8.3.7 and below, 8.5.2 and below, 8.5.4, 8.6.0, 8.6.5 and below, 8.7.6 and below, 8.8.11 and below, 9.1.5 and below, 9.2.3 and below may allow an authenticated attacker to access the MySQL databases via the CLI.

Frequently asked questions

What is CVE-2022-26117?: An empty password in configuration file vulnerability [CWE-258] in FortiNAC version 8.3.7 and below, 8.5.2 and below, 8.5.4, 8.6.0, 8.6.5 and below, 8.7.6 and below, 8.8.11 and below, 9.1.5 and below, 9.2.3 and below may allow an authenticated attacker to access the MySQL databases via the CLI.
How severe is CVE-2022-26117?: CVE-2022-26117 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-26117 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26117?: CVE-2022-26117 primarily affects Fortinet Fortinac. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-26117?: 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-2022-26117 published?: CVE-2022-26117 was published on 2022-07-18 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortinac:8.3.7:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortinac:8.5.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortinac:8.6.0:*:*:*:*:*:*:*

More vulnerabilities in Fortinet Fortinac

CVE-2023-33299 — Critical (CVSS 9.8): A deserialization of untrusted data in Fortinet FortiNAC below 7.2.1, below 9.4.3, below 9.2.8 and all earlier versions…
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CVE-2021-43065 — High (CVSS 7.8): A incorrect permission assignment for critical resource in Fortinet FortiNAC version 9.2.0, version 9.1.3 and below,…
CVE-2021-41021 — High (CVSS 7.8): A privilege escalation vulnerability in FortiNAC versions 8.8.8 and below and 9.1.2 and below may allow an admin user…

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Other CWE-521 (Weak Password Requirements) vulnerabilities

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CVE-2025-12552 — Critical (CVSS 9.8): Insufficient Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
CVE-2025-11200 — Critical (CVSS 9.8): MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to…
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