External risk intelligence

BiEticaret CMS EAR and Missing Authentication Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 9.8)

CVE-2025-8350

A critical vulnerability exists in a content management system that allows attackers to bypass authentication and potentially split HTTP responses. This issue could permit unauthorized access and actions if the system is reachable. It is important to determine if your organization uses this technology and assess its ex

4Halo Surface Signal

Missing Authentication

External exposure likelihood

Halo Surface Signal score for CVE-2025-8350

The vulnerability affects a CMS (Content Management System), which is commonly deployed as a public-facing web application intended to be accessed over the internet to serve content or handle e-commerce operations.

PCI scan relevance

PCI Relevance for CVE-2025-8350

Yes

CVE-2025-8350 — Halo PCI Relevance: Yes. Under typical PCI ASV external scan criteria, this issue may be flagged for scan prioritization.

This CVE is PCI scan-relevant due to an authentication bypass vulnerability in BiEticaret CMS, which can lead to critical system compromise.

Scan-prioritization guidance only—not a PCI DSS certification or ASV attestation.

Horizon Alert

Summary of the vulnerability and why it matters

This vulnerability affects a content management system, potentially allowing unauthorized access and actions if exploited. The main concern is confirming if your systems use this technology and are exposed.

  • It's a critical weakness in a web system.
  • Could allow attackers to bypass controls.
  • Confirm relevance and verify exposure.

Attack Path

How an attacker could exploit the issue

An attacker could target a public-facing website running a vulnerable Content Management System. By sending a specially crafted request, they can bypass authentication and gain unauthorized access to critical functions, potentially leading to HTTP response splitting.

  • Unauthenticated network access required.
  • Triggered by a malicious HTTP request.
  • Risk of authentication bypass and response splitting.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability could allow an unauthenticated attacker to bypass access controls and potentially alter application behavior or gain unauthorized access to sensitive information. This could occur when a user interacts with a vulnerable link or resource, leading to unexpected actions by the system.

  • System authentication bypass.
  • Via malicious redirect.
  • Unauthorized access or data modification.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

For BiEticaret CMS, the platform or infrastructure team likely manages the core system, while application owners are responsible for its configuration and business logic. Given the vendor's lack of response, coordination with a vendor-management team may be necessary if applicable, or direct engagement with the vendor's support channels will be critical. The immediate first step is to identify all instances of BiEticaret CMS, assess their exposure and business criticality, and then assign ownership for remediation planning.

  • Platform/Infrastructure team owns remediation.
  • Verify all BiEticaret CMS instances.
  • Plan risk-based maintenance or mitigation.

Frequently asked questions

What is BiEticaret CMS?

BiEticaret CMS is a Content Management System used for managing websites and online content, often for e-commerce purposes. It helps users create and maintain their online presence without needing deep technical coding knowledge.

What is the vulnerability in BiEticaret CMS?

The vulnerability, identified as Execution After Redirect (EAR) and Missing Authentication for Critical Function (CWE-306, CWE-698), could allow an attacker to bypass authentication. This means an unauthenticated user might gain access to functions normally protected by login procedures.

How can this BiEticaret CMS vulnerability be triggered?

An attacker could trigger this vulnerability by sending a specially crafted HTTP request to a vulnerable BiEticaret CMS instance. It's important to note that this is not triggered by simply visiting a webpage, but through a malicious request designed to exploit the EAR and missing authentication flaws.

Who should care about this BiEticaret CMS vulnerability?

Organizations using BiEticaret CMS, especially those with internet-facing websites (indicated by a Halo Surface Signal score of 4, 'Likely' external exposure), should care. Since CMS platforms are often public-facing for e-commerce or content delivery, this poses a significant risk if not addressed.

What is the first step to respond to this BiEticaret CMS threat?

The first step is to identify all instances of BiEticaret CMS within your environment. After identification, assess their exposure and business criticality to prioritize remediation efforts, especially given the vendor's lack of response.

References