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TI-2021-08340 Aliases CVE-2021-26622GHSA-q8rg-c9v7-62r5

Genian NAC remote code execution vulnerability

Priority MEDIUM 48CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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-94.

Summary

An remote code execution vulnerability due to SSTI vulnerability and insufficient file name parameter validation was discovered in Genian NAC. Remote attackers are able to execute arbitrary malicious code with SYSTEM privileges on all connected nodes in NAC through this vulnerability.

Why it matters now

EPSS 0.03034 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
GeniansGenian NAC Suite V4.0up to 4.0.145.0831—No fix listedCNA
GeniansGenian NAC V5.0 & Genian NAC Suite V5.0up to 5.0.42.0827—No fix listedCNA
  • Genian NAC Suite V4.0 VendorGenians Affected up to 4.0.145.0831 Fixed in — No fix listed CNA
  • Genian NAC V5.0 & Genian NAC Suite V5.0 VendorGenians Affected up to 5.0.42.0827 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:genians:genian_nac:*:*:*:*:*:*:*:*4.0 – 4.0.145.0831; 5.0 – 5.0.42.0827VulnerableGenians
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:genians:genian_nac:*:*:*:*:*:*:*:* Versions 4.0 – 4.0.145.0831; 5.0 – 5.0.42.0827 Vulnerable ·Genians
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26622
  2. 2026-10-03 Alias added: GHSA-q8rg-c9v7-62r5

References

Advisory 1

  • TI-2023-21103 SQL injection in Genians Genian NAC V4.0 CVSS 3.1CRITICAL 9.8
  • TI-2023-21102 OS command injection in Genians Genian NAC V4.0 CVSS 3.1CRITICAL 9.8
  • 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

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