CVE-2026-3893

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

State: Published
Severity: 9.4 Critical
Published: Apr 28, 2026
Updated: Apr 29, 2026
Reserved: Mar 10, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.4 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H	icscert

Weaknesses

CWE-306

Affected Products

Product	Versions
VASCO-B GNSS ReceiverCarlson Software	before 1.4.0Affected 1.4.0Not affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.