SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2024-27781

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,…

CRITICAL 9.0EPSS 28.2%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 28.2%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.1
9.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
EPSS
28.20% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
fortinet/fortisandbox
Source
psirt@fortinet.com
EPSS trend
0%15%30%2 November 2026: 28.20%2 November 20262 November 2026

EPSS 28.2% since 2 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.