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

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Summary

CVECVE-2026-3893
StatePUBLISHED
Assignericscert
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-28 19:37:39 UTC
Updated2026-06-16 16:07:38 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 9.4 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Problem Types: CWE-306 | CWE-306 CWE-306

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.4CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
3.1CNACVSS9.4CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Carlson Software VASCO-B GNSS Receiver affected 1.4.0 custom Not specified
CNA Carlson Software VASCO-B GNSS Receiver unaffected 1.4.0 Not specified

References

ReferenceSourceLinkTags
www.carlsonsw.com/support-and-training [email protected] www.carlsonsw.com
www.cve.org/CVERecord [email protected] www.cve.org
github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-11... [email protected] github.com
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Souvik Kandar reported this vulnerability to CISA. (en)

Additional Advisory Data

Solutions

CNA: Carlson Software recommends users update to Version 1.4.0 or greater. For more information contact Carlson Software https://www.carlsonsw.com/support-and-training/

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