How severe is CVE-2022-30307?

CVE-2022-30307 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2022-30307 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-30307?

CVE-2022-30307 affects Fortinet Fortios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-30307?

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

When was CVE-2022-30307 published?

CVE-2022-30307 was published on 2022-11-02 and last updated on 2026-06-17.

CVE-2022-30307

CVE-2022-30307 is a low-severity vulnerability in Fortinet Fortios with a CVSS 3.x base score of 3.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 3.9)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Fortinet Fortios
Published: 2022-11-02
Last modified: 2026-06-17

Description

A key management error vulnerability [CWE-320] affecting the RSA SSH host key in FortiOS 7.2.0 and below, 7.0.6 and below, 6.4.9 and below may allow an unauthenticated attacker to perform a man in the middle attack.

Frequently asked questions

What is CVE-2022-30307?: A key management error vulnerability [CWE-320] affecting the RSA SSH host key in FortiOS 7.2.0 and below, 7.0.6 and below, 6.4.9 and below may allow an unauthenticated attacker to perform a man in the middle attack.
How severe is CVE-2022-30307?: CVE-2022-30307 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over network with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2022-30307 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-30307?: CVE-2022-30307 affects Fortinet Fortios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-30307?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-30307 published?: CVE-2022-30307 was published on 2022-11-02 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-228

Affected products (1)

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

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