How severe is CVE-2024-31489?

CVE-2024-31489 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-31489 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-31489?

CVE-2024-31489 primarily affects Fortinet Forticlient. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-31489?

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

Does CVE-2024-31489 have an EU (EUVD) identifier?

Yes. CVE-2024-31489 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-29369.

When was CVE-2024-31489 published?

CVE-2024-31489 was published on 2024-09-10 and last updated on 2026-06-17.

CVE-2024-31489

CVE-2024-31489 is a medium-severity vulnerability in Fortinet Forticlient with a CVSS 3.x base score of 6.8. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-29369
Weakness: CWE-295
Affected product: Fortinet Forticlient
Published: 2024-09-10
Last modified: 2026-06-17

Description

AAn improper certificate validation vulnerability [CWE-295] in FortiClientWindows 7.2.0 through 7.2.2, 7.0.0 through 7.0.11, FortiClientLinux 7.2.0, 7.0.0 through 7.0.11 and FortiClientMac 7.0.0 through 7.0.11, 7.2.0 through 7.2.4 may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiGate and the FortiClient during the ZTNA tunnel creation

Frequently asked questions

What is CVE-2024-31489?: AAn improper certificate validation vulnerability [CWE-295] in FortiClientWindows 7.2.0 through 7.2.2, 7.0.0 through 7.0.11, FortiClientLinux 7.2.0, 7.0.0 through 7.0.11 and FortiClientMac 7.0.0 through 7.0.11, 7.2.0 through 7.2.4 may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiGate and the FortiClient during the ZTNA tunnel creation
How severe is CVE-2024-31489?: CVE-2024-31489 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-31489 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-31489?: CVE-2024-31489 primarily affects Fortinet Forticlient. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-31489?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-31489 have an EU (EUVD) identifier?: Yes. CVE-2024-31489 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-29369.
When was CVE-2024-31489 published?: CVE-2024-31489 was published on 2024-09-10 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-22-282

Affected products (4)

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:*
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:*
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*
cpe:2.3:a:fortinet:forticlient:7.2.0:*:*:*:*:linux:*:*

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