CVE-2024-27781

Fortisandbox vulnerability

CVSS

7.1

EPSS

28.2%

EPSS pct

98th

Exploited

No known

An improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.4, FortiSandbox 4.2.1 through 4.2.6, FortiSandbox 4.0.0 through 4.0.4, FortiSandbox 3.2 all versions, FortiSandbox 3.1 all versions, FortiSandbox 3.0 all versions allows an authenticated attacker to execute unauthorized code or commands via crafted HTTP requests.

Affected vendor

Fortinet

Affected product

Fortisandbox

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2025-02-11

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring low privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 28.2% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2024-27781

Confirm whether Fortinet Fortisandbox is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2024-27781.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2024-27781

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2024-27781 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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