How severe is CVE-2024-27779?

CVE-2024-27779 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2024-27779 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27779?

CVE-2024-27779 primarily affects Fortinet Fortiisolator. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-27779?

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

Does CVE-2024-27779 have an EU (EUVD) identifier?

Yes. CVE-2024-27779 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24972.

When was CVE-2024-27779 published?

CVE-2024-27779 was published on 2025-07-18 and last updated on 2026-06-17.

CVE-2024-27779

CVE-2024-27779 is a medium-severity vulnerability in Fortinet Fortiisolator with a CVSS 3.x base score of 6.7. 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-613.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-24972
Weakness: CWE-613
Affected product: Fortinet Fortiisolator
Published: 2025-07-18
Last modified: 2026-06-17

Description

An insufficient session expiration vulnerability [CWE-613] in FortiSandbox FortiSandbox version 4.4.4 and below, version 4.2.6 and below, 4.0 all versions, 3.2 all versions and FortiIsolator version 2.4 and below, 2.3 all versions, 2.2 all versions, 2.1 all versions, 2.0 all versions, 1.2 all versions may allow a remote attacker in possession of an admin session cookie to keep using that admin's session even after the admin user was deleted.

Frequently asked questions

What is CVE-2024-27779?: An insufficient session expiration vulnerability [CWE-613] in FortiSandbox FortiSandbox version 4.4.4 and below, version 4.2.6 and below, 4.0 all versions, 3.2 all versions and FortiIsolator version 2.4 and below, 2.3 all versions, 2.2 all versions, 2.1 all versions, 2.0 all versions, 1.2 all versions may allow a remote attacker in possession of an admin session cookie to keep using that admin's session even after the admin user was deleted.
How severe is CVE-2024-27779?: CVE-2024-27779 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2024-27779 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27779?: CVE-2024-27779 primarily affects Fortinet Fortiisolator. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-27779?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-27779 have an EU (EUVD) identifier?: Yes. CVE-2024-27779 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24972.
When was CVE-2024-27779 published?: CVE-2024-27779 was published on 2025-07-18 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-24-035

Affected products (2)

cpe:2.3:a:fortinet:fortiisolator:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*

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