How severe is CVE-2022-39945?

CVE-2022-39945 has a CVSS 3.x base score of 5.4, 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 low, and availability none.

Is CVE-2022-39945 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-39945?

CVE-2022-39945 primarily affects Fortinet Fortimail. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-39945?

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

When was CVE-2022-39945 published?

CVE-2022-39945 was published on 2022-11-02 and last updated on 2026-06-17.

CVE-2022-39945

CVE-2022-39945 is a medium-severity vulnerability in Fortinet Fortimail with a CVSS 3.x base score of 5.4. 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-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-639
Affected product: Fortinet Fortimail
Published: 2022-11-02
Last modified: 2026-06-17

Description

An improper access control vulnerability [CWE-284] in FortiMail 7.2.0, 7.0.0 through 7.0.3, 6.4 all versions, 6.2 all versions, 6.0 all versions may allow an authenticated admin user assigned to a specific domain to access and modify other domains information via insecure direct object references (IDOR).

Frequently asked questions

What is CVE-2022-39945?: An improper access control vulnerability [CWE-284] in FortiMail 7.2.0, 7.0.0 through 7.0.3, 6.4 all versions, 6.2 all versions, 6.0 all versions may allow an authenticated admin user assigned to a specific domain to access and modify other domains information via insecure direct object references (IDOR).
How severe is CVE-2022-39945?: CVE-2022-39945 has a CVSS 3.x base score of 5.4, 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 low, and availability none.
Is CVE-2022-39945 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-39945?: CVE-2022-39945 primarily affects Fortinet Fortimail. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-39945?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-39945 published?: CVE-2022-39945 was published on 2022-11-02 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-066

Affected products (2)

cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimail:7.2.0:*:*:*:*:*:*:*

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