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CVE-2024-43706: CWE-285: Improper Authorization in Elastic Kibana

High
VulnerabilityCVE-2024-43706cvecve-2024-43706cwe-285
Published: Tue Jun 10 2025 (06/10/2025, 16:59:54 UTC)
Source: CVE Database V5
Vendor/Project: Elastic
Product: Kibana

Description

Improper authorization in Kibana can lead to privilege abuse via a direct HTTP request to a Synthetic monitor endpoint.

AI-Powered Analysis

AILast updated: 07/10/2025, 18:01:31 UTC

Technical Analysis

CVE-2024-43706 is a high-severity vulnerability identified in Elastic's Kibana version 8.12.0, categorized under CWE-285 (Improper Authorization). The flaw arises from insufficient authorization checks on a Synthetic monitor endpoint within Kibana. This weakness allows an attacker with limited privileges (requiring some level of authentication but not full administrative rights) to abuse privileges by sending direct HTTP requests to this endpoint. The vulnerability's CVSS 3.1 base score is 7.6, reflecting a high impact with network attack vector (AV:N), low attack complexity (AC:L), requiring privileges (PR:L), no user interaction (UI:N), unchanged scope (S:U), and high confidentiality impact (C:H), with limited integrity (I:L) and availability (A:L) impacts. Exploiting this vulnerability could lead to unauthorized access to sensitive data or partial compromise of the Kibana environment, potentially exposing monitoring data or enabling further lateral movement within the Elastic stack. Although no public exploits are currently known, the nature of the vulnerability and its presence in a widely used monitoring and visualization tool make it a significant risk if left unpatched. The lack of available patches at the time of publication underscores the need for immediate attention and mitigation by affected organizations.

Potential Impact

For European organizations, the impact of CVE-2024-43706 can be substantial, especially for those relying heavily on Elastic Stack for log management, monitoring, and data visualization. Kibana is commonly used in sectors such as finance, healthcare, telecommunications, and government, where sensitive data confidentiality is paramount. Exploitation could lead to unauthorized disclosure of sensitive monitoring data, potentially revealing internal system states, user activities, or security events. This exposure could facilitate further attacks or compliance violations under GDPR and other data protection regulations. Additionally, partial integrity and availability impacts could disrupt monitoring capabilities, delaying incident detection and response. Organizations with multi-tenant environments or those exposing Kibana dashboards externally are at higher risk. The requirement for some privilege level reduces the attack surface but does not eliminate risk, especially if internal users or compromised accounts are leveraged by attackers.

Mitigation Recommendations

Given the absence of an official patch at the time of reporting, European organizations should implement immediate compensating controls: 1) Restrict access to Kibana interfaces and specifically to the Synthetic monitor endpoint using network segmentation, firewall rules, and IP whitelisting to limit exposure to trusted users only. 2) Enforce strict role-based access control (RBAC) policies within Kibana to minimize the number of users with privileges that could be abused. 3) Monitor Kibana logs and network traffic for unusual or unauthorized HTTP requests targeting the Synthetic monitor endpoint. 4) Temporarily disable or restrict Synthetic monitoring features if feasible until a patch is available. 5) Apply security best practices such as multi-factor authentication (MFA) for all Kibana users to reduce the risk of credential compromise. 6) Stay informed on Elastic’s advisories for timely application of patches once released. 7) Conduct internal audits of Kibana user privileges and remove unnecessary elevated permissions. These targeted measures go beyond generic advice by focusing on the specific vulnerable component and access vectors.

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Technical Details

Data Version
5.1
Assigner Short Name
elastic
Date Reserved
2024-08-15T09:26:41.510Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 68486f71813f166aeb76f188

Added to database: 6/10/2025, 5:46:25 PM

Last enriched: 7/10/2025, 6:01:31 PM

Last updated: 8/13/2025, 10:31:17 PM

Views: 10

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