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TI-2023-21102 Aliases CVE-2023-40253GHSA-vjw2-5fjm-hhr4

OS command injection in Genians Genian NAC V4.0

Priority MEDIUM 42CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution, Security bypass
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-78 and CWE-287.

Summary

Improper Authentication vulnerability in Genians Genian NAC V4.0, Genians Genian NAC V5.0, Genians Genian NAC Suite V5.0, Genians Genian ZTNA allows Authentication Abuse.This issue affects Genian NAC V4.0: from V4.0.0 through V4.0.155; Genian NAC V5.0: from V5.0.0 through V5.0.42 (Revision 117460); Genian NAC Suite V5.0: from V5.0.0 through V5.0.54; Genian ZTNA: from V6.0.0 through V6.0.15.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00416 36th 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
GeniansGenian NAC V4.0V4.0.0 – V4.0.155—No fix listedCNA
GeniansGenian NAC V5.0V5.0.0 – V5.0.42 (Revision 117460)—No fix listedCNA
GeniansGenian NAC Suite V5.0V5.0.0 – V5.0.54—No fix listedCNA
GeniansGenian ZTNAV6.0.0 – V6.0.15—No fix listedCNA
  • Genian NAC V4.0 VendorGenians Affected V4.0.0 – V4.0.155 Fixed in — No fix listed CNA
  • Genian NAC V5.0 VendorGenians Affected V5.0.0 – V5.0.42 (Revision 117460) Fixed in — No fix listed CNA
  • Genian NAC Suite V5.0 VendorGenians Affected V5.0.0 – V5.0.54 Fixed in — No fix listed CNA
  • Genian ZTNA VendorGenians Affected V6.0.0 – V6.0.15 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:genians:genian_nac:*:*:*:*:-:*:*:*4.0.0 to before 4.0.156; 5.0.0 to before 5.0.55VulnerableGenians
cpe:2.3:a:genians:genian_nac:5.0.42:-:*:*:lts:*:*:*5.0.42VulnerableGenians
cpe:2.3:a:genians:genian_nac:5.0.42:revision_117460:*:*:lts:*:*:*5.0.42 revision_117460VulnerableGenians
cpe:2.3:a:genians:genian_ztna:*:*:*:*:*:*:*:*6.0.0 to before 6.0.16VulnerableGenians
  • cpe:2.3:a:genians:genian_nac:*:*:*:*:-:*:*:* Versions 4.0.0 to before 4.0.156; 5.0.0 to before 5.0.55 Vulnerable ·Genians
  • cpe:2.3:a:genians:genian_nac:5.0.42:-:*:*:lts:*:*:* Versions 5.0.42 Vulnerable ·Genians
  • cpe:2.3:a:genians:genian_nac:5.0.42:revision_117460:*:*:lts:*:*:* Versions 5.0.42 revision_117460 Vulnerable ·Genians
  • cpe:2.3:a:genians:genian_ztna:*:*:*:*:*:*:*:* Versions 6.0.0 to before 6.0.16 Vulnerable ·Genians

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-40253
  2. 2026-10-03 Alias added: GHSA-vjw2-5fjm-hhr4

References

  • TI-2023-21103 SQL injection in Genians Genian NAC V4.0 CVSS 3.1CRITICAL 9.8
  • TI-2021-08340 Genian NAC remote code execution vulnerability CVSS 3.1CRITICAL 10.0
  • TI-2023-21101 Code injection in Genians Genian NAC V4.0 CVSS 3.1CRITICAL 9.8
  • TI-2023-21100 Missing Encryption of Sensitive Data vulnerability in Genians Genian NAC V4.0, Genians… CVSS 3.1MEDIUM 5.9

Sources