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TI-2021-20903 Aliases CVE-2021-45893GHSA-h873-265q-38wj

An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4.

Priority LOW 36CWE-178Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4. There is Improper Handling of Case Sensitivity, which makes password guessing easier.

Why it matters now

EPSS 0.01595 75th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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:zauner:arc:4.2.0.4:*:*:*:*:*:*:*4.2.0.4VulnerableZauner
  • cpe:2.3:a:zauner:arc:4.2.0.4:*:*:*:*:*:*:* Versions 4.2.0.4 Vulnerable ·Zauner

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45893
  2. 2026-10-03 Alias added: GHSA-h873-265q-38wj

References

  • TI-2021-20901 An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4., that allows attackers to… CVSS 3.1HIGH 8.8
  • TI-2021-20904 An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4. CVSS 3.1MEDIUM 5.9
  • TI-2021-20902 An issue was discovered in Softwarebuero Zauner ARC 4.2.0.4. CVSS 3.1MEDIUM 5.9

Sources