External risk intelligence

Oliva Expertise EKS lets attackers access customer data without a password.

CVE advisorySeverity: HIGH (CVSS 7.5)

CVE-2023-2959

Oliva Expertise EKS has a serious flaw allowing anyone on the internet to access user data without a password. This warrants immediate attention to protect sensitive information.

4Halo Surface Signal

Authentication Bypass

Olivaekspertiz Oliva Ekspertiz

before 1.2

External exposure likelihood

Halo Surface Signal score for CVE-2023-2959

The vulnerability affects a service designed to manage user-provided data, which is commonly deployed as an internet-facing web application. The attack path specifically targets internet-exposed instances, confirming that public network accessibility is a standard deployment configuration for this type of service.

Horizon Alert

Summary of the vulnerability and why it matters

This vulnerability in Oliva Expertise EKS allows unauthorized users to collect data. It bypasses authentication mechanisms, meaning access controls are not properly enforced. This could expose sensitive information without proper authorization.

  • Sensitive data may be exposed.
  • Any user can potentially access data.
  • The issue is reachable from the internet.

Attack Path

How an attacker could exploit the issue

An unauthenticated attacker could exploit this flaw to bypass authentication and access sensitive user-provided data within the Oliva Expertise EKS application. This would allow them to view or exfiltrate information without needing any credentials.

  • No prior access required.
  • Targets web application authentication.
  • Allows unauthorized data collection.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability allows for authentication bypass, potentially exposing user data. While directly exploitable over the network without authentication, the primary motivation for attackers would be to access or exfiltrate sensitive information.

  • No known public exploits exist.
  • No KEV listing observed.
  • Vendor has released a patch.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize investigation of Oliva Expertise EKS logs for signs of unauthorized data access or collection due to the authentication bypass vulnerability. If exploitation is detected or suspected, immediately isolate affected services to prevent further data compromise.

  • Block network access to vulnerable EKS instances.
  • Update Oliva Expertise EKS to version 1.2 or later.
  • Monitor for new connections to affected systems.

Frequently asked questions

What is Oliva Expertise EKS and what is it used for?

Oliva Expertise EKS is a software product used for managing user-provided data. It is designed to handle information that users input into the system.

What kind of weakness does CVE-2023-2959 describe for Oliva Expertise EKS?

CVE-2023-2959 describes an Authentication Bypass by Primary Weakness. This means the software fails to properly verify a user's identity, allowing unauthorized access to data.

How can an attacker exploit CVE-2023-2959?

An attacker can exploit this vulnerability over the network without needing any prior access or authentication. The vulnerability is triggered when the authentication controls are not correctly enforced.

Who should be concerned about this CVE based on its network exposure?

Organizations running Oliva Expertise EKS should be concerned if their instances are accessible from the internet. This CVE is classified as external, indicating it can be targeted by attackers over a network connection.

What is the first step for someone running Oliva Expertise EKS?

The first step is to update Oliva Expertise EKS to version 1.2 or later to address the vulnerability. It is also recommended to monitor affected systems for any signs of unauthorized data access.

References