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TI-2026-03367 Aliases CVE-2026-3893GHSA-fc84-9gcf-p72v

Carlson Software VASCO-B GNSS Receiver Missing Authentication for Critical Function

Priority MEDIUM 47CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

The Carlson VASCO-B GNSS Receiver lacks an authentication mechanism, allowing an attacker with network access to directly access and modify its configuration and operational functions without needing credentials.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00373 31st percentileScored 2026-11-07
Fix Fixed VASCO-B GNSS Receiver (Carlson Software): 1.4.0

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
Carlson SoftwareVASCO-B GNSS Receiverbefore 1.4.01.4.0Patch availableCNA
  • VASCO-B GNSS Receiver VendorCarlson Software Affected before 1.4.0 Fixed in 1.4.0 Patch available CNA

Remediation

  • Fix · CNA VASCO-B GNSS Receiver (Carlson Software) Fixed in 1.4.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3893
  2. 2026-10-03 Alias added: GHSA-fc84-9gcf-p72v
  3. 2026-10-11 EPSS moved to the 50th–90th percentile
  4. 2026-10-25 EPSS moved to the below the 50th percentile

References

Sources