CVE-2026-3893

Severity CVSS v4.0:

Pending analysis

Type:

CWE-306 Missing Authentication for Critical Function

Publication date:

28/04/2026

Last modified:

28/04/2026

Description

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

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.40 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): High
Availability (A): High

Base Score 3.x

9.40

Severity 3.x

CRITICAL

References to Advisories, Solutions, and Tools

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-113-02.json
https://www.carlsonsw.com/support-and-training/
https://www.cve.org/CVERecord?id=CVE-2026-3893