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TI-2023-16461 Aliases CVE-2023-33302GHSA-3rq3-6pw2-f97f

Buffer overflow in Fortinet FortiNDR

Priority LOW 38CWE-120Published · 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-120 and the CVSS impact.

Summary

A buffer copy without checking size of input ('classic buffer overflow') in Fortinet FortiMail webmail and administrative interface version 6.4.0 through 6.4.4 and before 6.2.6 and FortiNDR administrative interface version 7.2.0 and before 7.1.0 allows an authenticated attacker with regular webmail access to trigger a buffer overflow and to possibly execute unauthorized code or commands via specifically crafted HTTP requests.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00379 32nd 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
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortiNDR7.2.0; 7.1.0; 7.0.0 – 7.0.6; 1.5.0 – 1.5.3; 1.4.0; 1.3.0 – 1.3.1; 1.2.0; 1.1.0—No fix listedCNA
FortinetFortiMail6.4.0 – 6.4.4; 6.2.0 – 6.2.6; 6.0.0 – 6.0.10; 5.4.0 – 5.4.12; 5.3.12 – 5.3.13; 5.3.0 – 5.3.10; 5.2.0 – 5.2.10; 5.1.0 – 5.1.7; 5.0.0 – 5.0.11—No fix listedCNA
  • FortiNDR VendorFortinet Affected 7.2.0; 7.1.0; 7.0.0 – 7.0.6; 1.5.0 – 1.5.3; 1.4.0; 1.3.0 – 1.3.1; 1.2.0; 1.1.0 Fixed in — No fix listed CNA
  • FortiMail VendorFortinet Affected 6.4.0 – 6.4.4; 6.2.0 – 6.2.6; 6.0.0 – 6.0.10; 5.4.0 – 5.4.12; 5.3.12 – 5.3.13; 5.3.0 – 5.3.10; 5.2.0 – 5.2.10; 5.1.0 – 5.1.7; 5.0.0 – 5.0.11 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*5.4.0 – 5.4.12; 6.0.0 to before 6.0.11; 6.2.0 to before 6.2.7; 6.4.0 to before 6.4.5VulnerableFortinet
cpe:2.3:a:fortinet:fortindr:*:*:*:*:*:*:*:*1.1.0 to before 7.2.1VulnerableFortinet
  • cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:* Versions 5.4.0 – 5.4.12; 6.0.0 to before 6.0.11; 6.2.0 to before 6.2.7; 6.4.0 to before 6.4.5 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortindr:*:*:*:*:*:*:*:* Versions 1.1.0 to before 7.2.1 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-33302
  2. 2026-10-03 Alias added: GHSA-3rq3-6pw2-f97f

References

Advisory 1

  • TI-2026-65779 Path traversal in Fortinet FortiMail KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-23811 Stack-based buffer overflow in Fortinet FortiNDR KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-07433 Improper authentication in Fortinet FortiMail CVSS 3.1CRITICAL 9.8
  • TI-2021-14584 An improper authentication vulnerability in FortiMail before 7.0.1 may allow a remote… CVSS 3.1CRITICAL 9.8
  • TI-2021-06324 SQL injection in Fortinet FortiMail CVSS 3.1CRITICAL 9.8
  • TI-2023-25708 Improper access control in Fortinet FortiMail CVSS 3.1CRITICAL 9.0
See all 46 →

Sources

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