How severe is CVE-2024-27780?

CVE-2024-27780 has a CVSS 3.x base score of 2.2, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2024-27780 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27780?

CVE-2024-27780 affects Fortinet Fortisiem. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-27780?

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

Does CVE-2024-27780 have an EU (EUVD) identifier?

Yes. CVE-2024-27780 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24973.

When was CVE-2024-27780 published?

CVE-2024-27780 was published on 2025-02-11 and last updated on 2026-06-17.

CVE-2024-27780

CVE-2024-27780 is a low-severity vulnerability in Fortinet Fortisiem with a CVSS 3.x base score of 2.2. 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-79.

Key facts

Severity: Low (CVSS 3.x base score 2.2)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-24973
Weakness: CWE-79
Affected product: Fortinet Fortisiem
Published: 2025-02-11
Last modified: 2026-06-17

Description

Multiple Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerabilities [CWE-79] in FortiSIEM 7.1 all versions, 7.0 all versions, 6.7 all versions incident page may allow an authenticated attacker to perform a cross-site scripting attack via crafted HTTP requests.

Frequently asked questions

What is CVE-2024-27780?: Multiple Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerabilities [CWE-79] in FortiSIEM 7.1 all versions, 7.0 all versions, 6.7 all versions incident page may allow an authenticated attacker to perform a cross-site scripting attack via crafted HTTP requests.
How severe is CVE-2024-27780?: CVE-2024-27780 has a CVSS 3.x base score of 2.2, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2024-27780 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27780?: CVE-2024-27780 affects Fortinet Fortisiem. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-27780?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-27780 have an EU (EUVD) identifier?: Yes. CVE-2024-27780 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24973.
When was CVE-2024-27780 published?: CVE-2024-27780 was published on 2025-02-11 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-23-324

Affected products (1)

cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*

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