CVE-2025-6180 in sdm-cli
Summary
by MITRE • 08/20/2025
The StrongDM Client insufficiently protected a pre-authentication token. Attackers could exploit this to intercept and reuse the token, potentially redeeming valid authentication credentials through a race condition.
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Analysis
by VulDB Data Team • 08/20/2025
The vulnerability identified as CVE-2025-6180 resides within the StrongDM Client software, representing a critical security flaw in the authentication process that undermines the integrity of pre-authentication token handling. This weakness manifests as insufficient protection mechanisms for tokens that are generated before the authentication process is fully established, creating a window of opportunity for malicious actors to intercept and manipulate these credentials. The vulnerability specifically targets the client-side implementation where authentication tokens are managed during the initial connection phase, before full authentication has been completed.
The technical flaw stems from inadequate token validation and protection measures that fail to properly secure pre-authentication tokens from unauthorized access. Attackers can exploit this weakness by intercepting the token during transmission or by leveraging race condition vulnerabilities that occur when multiple authentication requests are processed concurrently. This allows adversaries to capture valid authentication tokens and reuse them to gain unauthorized access to systems protected by StrongDM. The race condition aspect of this vulnerability means that timing-based attacks can be particularly effective, as the attacker can attempt to exploit the brief window between token generation and authentication completion. This vulnerability directly maps to CWE-306, which addresses missing authentication checks, and CWE-345, which covers insufficient validation of critical data. The implementation of proper token lifecycle management and authentication sequence validation would address these underlying issues.
The operational impact of CVE-2025-6180 extends beyond simple unauthorized access, as it creates potential for credential theft and lateral movement within networks protected by StrongDM. Attackers who successfully exploit this vulnerability can potentially access multiple systems and services that rely on the compromised authentication tokens, leading to widespread security breaches. The pre-authentication nature of this flaw means that the attack can occur before any proper security controls are fully engaged, making detection and prevention particularly challenging. Organizations using StrongDM for privileged access management face significant risk, as this vulnerability undermines the fundamental security assumptions of the system. The attack vector primarily involves network interception techniques and timing-based exploitation methods that align with ATT&CK technique T1567.002 for credential harvesting through network sniffing and T1078.004 for valid accounts through compromised credentials. The vulnerability's exploitation can result in persistent access to target systems and potential data exfiltration.
Mitigation strategies for CVE-2025-6180 should focus on strengthening token protection mechanisms and implementing proper authentication sequence validation. Organizations should ensure that all pre-authentication tokens are properly encrypted and validated before being used for authentication purposes. Network segmentation and monitoring should be implemented to detect unusual authentication patterns and potential interception attempts. Regular security updates and patches should be applied immediately upon availability, as the vulnerability affects core authentication functionality. Implementing multi-factor authentication and additional verification steps can help reduce the impact of credential compromise. Network traffic analysis should be enhanced to detect potential token interception attempts, and proper access logging should be maintained to identify unauthorized authentication attempts. Security teams should also consider implementing additional authentication controls that do not rely on pre-authentication tokens, or ensure that such tokens are properly protected through cryptographic means and time-based expiration mechanisms. The fix should address the race condition by implementing proper synchronization mechanisms and ensuring that authentication tokens are not reusable across different sessions or contexts.