CVE-2025-13926 PUBLISHED

Contemporary Controls BASC 20T Reliance on Untrusted Inputs in a Security Decision

Assigner: icscert
Reserved: 02.12.2025 Published: 09.04.2026 Updated: 10.04.2026

An attacker could use data obtained by sniffing the network traffic to forge packets in order to make arbitrary requests to Contemporary Controls BASC 20T.

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

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

CVSS 3.1

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Contemporary Controls
Product	BASControl20
Versions	Default: unaffected Version 3.1 is affected

Workarounds

According to Contemporary Controls, the BASC-20T is an obsolete product. It is recommended that users of the affected product contact Contemporary Controls https://www.ccontrols.com/support/contacttech.htm for additional information.

Credits

Joseph Fields of Naval Information Warfare Center Pacific reported this vulnerability to CISA. finder

References

Problem Types

CWE-807 CWE