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TI-1999-01502 Aliases CVE-1999-1555GHSA-66v7-mjfq-96pv

Cheyenne InocuLAN Anti-Virus Server in Inoculan 4.0 before Service Pack 2 creates an…

Priority LOW 34Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

Cheyenne InocuLAN Anti-Virus Server in Inoculan 4.0 before Service Pack 2 creates an update directory with "EVERYONE FULL CONTROL" permissions, which allows local users to cause Inoculan's antivirus update feature to install a Trojan horse dll.

Why it matters now

EPSS 0.01045 64th 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cheyenne:inoculan_anti-virus_server:*:*:*:*:*:*:*:*up to 4.0VulnerableCheyenne
  • cpe:2.3:a:cheyenne:inoculan_anti-virus_server:*:*:*:*:*:*:*:* Versions up to 4.0 Vulnerable ·Cheyenne

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-1999-1555
  2. 2026-10-03 Alias added: GHSA-66v7-mjfq-96pv

References

—

Sources