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TI-2023-22873 Aliases CVE-2023-42782GHSA-g4h5-9rrr-q667

Insufficient verification of data authenticity in Fortinet FortiAnalyzer

Priority LOW 30CWE-345Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-345.

Summary

A insufficient verification of data authenticity vulnerability [CWE-345] in FortiAnalyzer version 7.4.0 and below 7.2.3 allows a remote unauthenticated attacker to send messages to the syslog server of FortiAnalyzer via the knoweldge of an authorized device serial number.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00435 37th 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
Yes
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
FortinetFortiAnalyzer7.4.0; 7.2.0 – 7.2.3; 7.0.0 – 7.0.9; 6.4.0 – 6.4.13; 6.2.0 – 6.2.12—No fix listedCNA
  • FortiAnalyzer VendorFortinet Affected 7.4.0; 7.2.0 – 7.2.3; 7.0.0 – 7.0.9; 6.4.0 – 6.4.13; 6.2.0 – 6.2.12 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*6.2.0 – 6.2.12; 6.4.0 – 6.4.13; 7.0.0 – 7.0.9; 7.2.0 – 7.2.3VulnerableFortinet
cpe:2.3:a:fortinet:fortianalyzer:7.4.0:*:*:*:*:*:*:*7.4.0VulnerableFortinet
  • cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:* Versions 6.2.0 – 6.2.12; 6.4.0 – 6.4.13; 7.0.0 – 7.0.9; 7.2.0 – 7.2.3 Vulnerable ·Fortinet
  • cpe:2.3:a:fortinet:fortianalyzer:7.4.0:*:*:*:*:*:*:* Versions 7.4.0 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-42782
  2. 2026-10-03 Alias added: GHSA-g4h5-9rrr-q667

References

Advisory 1

  • TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2023-10911 A buffer underwrite ('buffer underflow') vulnerability in the administrative interface of… CVSS 3.1CRITICAL 9.3
  • TI-2023-23782 Path traversal in Fortinet FortiAnalyzer CVSS 3.1MEDIUM 6.5
  • TI-2021-12260 Use after free in Fortinet FortiManager CVSS 3.1CRITICAL 9.8
  • TI-2024-33992 Weak authentication in Fortinet FortiAnalyzer CVSS 3.1CRITICAL 9.8
  • TI-2024-15684 A client-side enforcement of server-side security in Fortinet FortiAnalyzer-BigData at… CVSS 3.1HIGH 8.8
See all 91 →

Sources

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