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VulnerabilityPublished Updated

CVE-2024-27781: Fortinet FortiSandbox · Execute Unauthorized Code or Commands

Affects Fortinet FortiSandboxSource CVE Database V5

0

Not known to be exploited · 28% EPSS · CVSS 6.9 Medium.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 3.1 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
28.2% chance of exploitation in 30 days – higher than 98% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:F/RL:X/RC:X

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Feb 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Fortinet FortiSandboxAffected
  • =4.4.0
  • =4.2.1
  • =4.0.0
  • =3.2.0
  • =3.1.0
  • =3.0.0
Fixed in–

AI-suggested

To mitigate CVE-2024-27781, organizations should prioritize upgrading FortiSandbox to the latest patched versions provided by Fortinet once available. Until patches are applied, implement strict access controls to limit authenticated user privileges and reduce the attack surface. Employ web application firewalls (WAFs) to detect and block malicious HTTP requests that may exploit XSS vulnerabilities. Monitor FortiSandbox logs for unusual activity indicative of exploitation attempts. Enforce multi-factor authentication (MFA) for all users accessing the FortiSandbox interface to reduce the risk of compromised credentials. Conduct regular security assessments and penetration testing focused on web interface vulnerabilities. Additionally, segment FortiSandbox systems within the network to limit lateral movement if compromised. Educate administrators and users about the risks of interacting with suspicious links or inputs within the FortiSandbox environment. Finally, maintain up-to-date incident response plans to quickly address any exploitation attempts.

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.

References

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