External risk intelligence

Liderahenk software leaks administrative passwords through unsecured API.

CVE advisorySeverity: CRITICAL (CVSS 9.6)

CVE-2021-3825

An external attacker can exploit LiderAhenk's misconfiguration to steal user credentials, potentially leading to unauthorized access to internal systems and sensitive data. This matters to the business as it compromises user authentication and data security.

3Halo Surface Signal

Missing Authentication

Pardus Liderahenk

2.1.15 and earlier

External exposure likelihood

Halo Surface Signal score for CVE-2021-3825

The vulnerability involves an unsecured configuration API within the Lider module of LiderAhenk. While the API is accessible via the network, such configuration interfaces are typically intended for administrative use and are generally deployed within internal management networks, making public internet exposure possible but not the standard or designed deployment pattern.

Horizon Alert

Summary of the vulnerability and why it matters

An unsecured API in the Lider module of LiderAhenk software can expose sensitive configuration details, including LDAP credentials. This could allow unauthorized access to your systems if not addressed.

  • Can lead to credential theft.
  • Affects specific versions of LiderAhenk.
  • Requires network access to exploit.

Attack Path

How an attacker could exploit the issue

An attacker can exploit this vulnerability by directly accessing the LiderAhenk configurations API to steal valid LDAP credentials. This would allow them to impersonate legitimate users and gain unauthorized access to internal network resources.

  • Requires network access.
  • Targets unsecured API.
  • Leaks credentials for LDAP.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability allows attackers to obtain valid LDAP credentials by accessing an unsecured API in LiderAhenk software. Given the critical nature of leaked credentials, attackers are likely to target this if accessible. However, its effectiveness depends on network exposure.

  • Leaked credentials are valuable.
  • Targeting requires network access.
  • Exploitation status is unclear.

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

Prioritize immediate investigation of Lider module configurations for exposed credentials. Given the critical nature and potential for credential theft, teams should focus on identifying and isolating any affected LiderAhenk instances. This includes verifying if the vulnerable version 2.1.15 or below is in use and actively being accessed via the configuration API.

  • Review logs for API access attempts.
  • Isolate affected services if possible.
  • Update Lider module to a patched version.

Frequently asked questions

What is the primary function of the Lider module in LiderAhenk software?

The Lider module in LiderAhenk software is responsible for managing configurations. However, in versions 2.1.15 and below, it has a vulnerability where it can leak these configurations through an unsecured API.

What weakness class does CVE-2021-3825 represent?

CVE-2021-3825 is classified under the weakness class CWE-306, which indicates the creation of code that is vulnerable to the exposure of sensitive information to an unauthorized actor.

How can an attacker exploit the LiderAhenk vulnerability?

An attacker with network access can exploit this vulnerability by accessing the unsecured configurations API of the Lider module in LiderAhenk software. This allows them to obtain valid LDAP credentials, which can then be used for unauthorized access.

What is the relevance of CVE-2021-3825, especially concerning network exposure?

The Halo Surface Signal indicates this vulnerability is 'Possible' and classified as 'internal' due to its CVSS v3.1 Attack Vector being Adjacent. While the vulnerability involves an unsecured API accessible via the network, such configuration interfaces are typically intended for internal management networks, making public internet exposure possible but not the standard deployment pattern.

What is the recommended practical response for organizations using LiderAhenk?

Organizations using LiderAhenk should immediately investigate their Lider module configurations for any exposed credentials via the unsecured API. It is crucial to identify if vulnerable versions (2.1.15 or below) are in use and whether they are being accessed through the configuration API. If affected, isolating the services and updating to a patched version is recommended.

References