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TI-2021-08055 Aliases CVE-2021-26105GHSA-p7mf-j4fj-4rq3

Out-of-bounds write in Fortinet FortiSandbox

Priority MEDIUM 41CWE-358Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

A stack-based buffer overflow vulnerability (CWE-121) in the profile parser of FortiSandbox version 3.2.2 and below, version 3.1.4 and below may allow an authenticated attacker to potentially execute unauthorized code or commands via specifically crafted HTTP requests.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00503 43rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortiSandbox3.2.2; 3.1.4—No fix listedCNA
  • FortiSandbox VendorFortinet Affected 3.2.2; 3.1.4 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*3.1.0 – 3.1.4; 3.2.0 to before 3.2.3VulnerableFortinet
cpe:2.3:a:fortinet:fortisandbox:4.0.0:*:*:*:*:*:*:*4.0.0VulnerableFortinet
  • cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:* Versions 3.1.0 – 3.1.4; 3.2.0 to before 3.2.3 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortisandbox:4.0.0:*:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26105
  2. 2026-10-03 Alias added: GHSA-p7mf-j4fj-4rq3

References

Advisory 1

  • TI-2026-28691 OS command injection in Fortinet FortiSandbox KEVCVSS 3.1CRITICAL 9.1
  • TI-2026-20264 OS command injection in Fortinet FortiSandbox KEVCVSS 3.1CRITICAL 9.1
  • TI-2024-15689 Path traversal in Fortinet FortiSandbox CVSS 3.1HIGH 8.1
  • TI-2026-28696 Path traversal in Fortinet FortiSandbox CVSS 3.1CRITICAL 9.1
  • TI-2024-18399 Cross-site scripting in Fortinet FortiSandbox CVSS 3.1CRITICAL 9.0
  • TI-2025-33814 OS command injection in Fortinet FortiSandbox CVSS 3.1HIGH 8.8
See all 59 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences