CVE-2017-20109 in WFM
Summary
by MITRE • 06/29/2022
A vulnerability classified as problematic was found in Teleopti WFM up to 7.1.0. Affected by this vulnerability is an unknown functionality of the file /TeleoptiWFM/Administration/GetOneTenant of the component Administration. The manipulation leads to information disclosure (Credentials). The attack can be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue.
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Analysis
by VulDB Data Team • 11/12/2022
This vulnerability resides within Teleopti Workforce Management (WFM) software version 7.1.0 and earlier, representing a critical information disclosure flaw that compromises system security. The affected component is located at the /TeleoptiWFM/Administration/GetOneTenant endpoint, which is part of the administration module responsible for tenant management operations. The vulnerability stems from improper access controls and insufficient input validation within this specific API endpoint, allowing unauthorized users to extract sensitive credential information through remote exploitation. This represents a classic case of insufficient authorization checks where the system fails to properly verify user permissions before exposing administrative functions. The vulnerability has been publicly disclosed and actively exploited, making it a pressing concern for organizations utilizing this software.
The technical implementation flaw manifests in how the GetOneTenant functionality processes requests without adequate authentication verification or role-based access controls. When an attacker sends a crafted request to this endpoint, the system returns detailed tenant information including potentially sensitive authentication credentials. This type of vulnerability maps directly to CWE-284, which describes improper access control issues, and also aligns with CWE-200, covering exposure of sensitive information. The attack vector is entirely remote, meaning no local system access is required, and the exploit can be executed from any network location, significantly expanding the attack surface. The vulnerability's classification as a remote information disclosure makes it particularly dangerous as it can be leveraged by threat actors without requiring physical access to the target environment.
The operational impact of this vulnerability extends beyond simple credential theft, as it provides attackers with administrative access to the workforce management system. This could enable unauthorized users to modify tenant configurations, manipulate workforce data, or escalate privileges within the system. Organizations relying on Teleopti WFM for critical workforce management functions face significant risks including data integrity compromise, unauthorized access to employee information, and potential system infiltration. The disclosed exploit demonstrates that threat actors have already developed working methods to leverage this weakness, making the window for remediation critical. This vulnerability essentially undermines the fundamental security assumptions of the administrative interface, potentially allowing attackers to gain persistent access to sensitive organizational data.
Organizations should immediately implement the vendor-provided patch to address this vulnerability, as the public disclosure of the exploit increases the likelihood of widespread attacks. Beyond patch management, security teams should conduct comprehensive network segmentation to isolate administrative endpoints and implement robust monitoring of access patterns to the affected API. Network-level controls such as web application firewalls should be configured to restrict access to the GetOneTenant endpoint based on trusted IP addresses and implement additional authentication layers. Security audits should verify that no unauthorized access has occurred since the vulnerability disclosure, and credential rotation should be performed immediately for all affected systems. The incident highlights the importance of regular security assessments and timely patch deployment, as this vulnerability represents a failure in the security lifecycle management where a known flaw was not addressed before public disclosure, aligning with ATT&CK technique T1566 for credential access through exploitation of remote services.