Vulnerability · Published Apr 28, 2026 · Assigned by icscert
CVE-2026-3893Carlson Software VASCO-B GNSS Receiver Missing Authentication for Critical Function
Critical 9.4
In plain English
A critical-severity missing authentication in VASCO-B GNSS Receiver from Carlson Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 3.1)9.4Critical
Exploit odds (30 days)0.4%top 68.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Carlson Software | VASCO-B GNSS Receiver | 0 – before 1.4.0 |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H