CVE-2025-12868 | New Site Server developed by CyberTutor has a Use of Client-… | CVSS 9.8 CRITICAL

Description

New Site Server developed by CyberTutor has a Use of Client-Side Authentication vulnerability, allowing unauthenticated remote attackers to modify the frontend code to gain administrator privileges on the website.

Metadata

CVE ID: CVE-2025-12868
State: PUBLISHED
Assigner: twcert
Reserved: 2025-11-07 11:10 UTC
Published: 2025-11-10 03:14 UTC
Last updated: 2025-11-10 21:42 UTC
Primary CWE: CWE-603
CWE-603 Use of Client-Side Authentication
Vendor / Product: CyberTutor / New Site Server
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
CyberTutor	New Site Server	—	—

Weakness (CWE)

CWE	Source	Description
CWE-603	cna	CWE-603 Use of Client-Side Authentication

CVSS scores (2)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3	CRITICAL	4.0	cna	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

References (2)