CVE-2025-41064 PUBLISHED

Incorrect authentication in GTT´s group OpenSIAC

Assigner: INCIBE
Reserved: 16.04.2025 Published: 02.10.2025 Updated: 02.10.2025

Incorrect authentication vulnerability in OpenSIAC, which could allow an attacker to impersonate a person using Cl@ve as an authentication method.

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

Vendor	GTT
Product	OpenSIAC
Versions	Default: unaffected Version 1.0 is affected

The vulnerability has been fixed by the GTT group in version 1.2.