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HCL Aftermarket DPC Hardcoded Credentials Vulnerability (CVE-2025-55263)

HCL Aftermarket DPC is vulnerable to hardcoded sensitive data (CVE-2025-55263), potentially enabling attackers to access source code or retrieve hardcoded secrets from insecure repositories.

HCL Aftermarket DPC is susceptible to a vulnerability (CVE-2025-55263) stemming from hardcoded sensitive data within the application. This flaw could allow an attacker to gain unauthorized access to the source code if accessible, or to retrieve the hardcoded secrets if stored in insecure repositories. The vulnerability was reported on March 26, 2026. Successful exploitation could lead to compromise of sensitive information, potentially impacting confidentiality and integrity of systems relying on the DPC. The CVSS v3.1 score assigned by HCL Software is 7.3, indicating a high severity.

Attack Chain

  1. Attacker identifies an instance of HCL Aftermarket DPC in use.
  2. Attacker gains access to the application's files, either through direct access or via insecure storage.
  3. Attacker leverages publicly available information regarding CVE-2025-55263 to understand the presence of hardcoded credentials.
  4. Attacker searches the DPC's code or configuration files for the hardcoded sensitive data.
  5. Attacker successfully extracts the hardcoded credentials (e.g., passwords, API keys).
  6. Attacker uses the obtained credentials to gain unauthorized access to related systems or data that the credentials protect.
  7. Attacker may exfiltrate sensitive data or modify system configurations using the compromised credentials.

Impact

Successful exploitation of this vulnerability could allow attackers to gain unauthorized access to sensitive data protected by the hardcoded credentials. This could result in the compromise of user accounts, sensitive data exposure, or unauthorized modification of system configurations. The number of victims is unknown, but the potential impact is significant given the high CVSS score and the widespread use of HCL products.

Recommendation

  • Apply the patch or mitigation steps provided by HCL Software as detailed in their knowledge base article [https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129793].
  • Implement code reviews to identify and remove any hardcoded credentials in HCL Aftermarket DPC and other applications.
  • Deploy the Sigma rule Detect HCL Aftermarket DPC Access to identify potential exploitation attempts targeting CVE-2025-55263.

Detection coverage 2

Detect HCL Aftermarket DPC Access

medium

Detects access to HCL Aftermarket DPC that may indicate attempts to exploit CVE-2025-55263

sigma tactics: credential_access, initial_access techniques: T1190 sources: webserver, linux

Detect Hardcoded Credentials Access Attempt

high

Detects attempts to access resources using common hardcoded credential patterns.

sigma tactics: credential_access techniques: T1187 sources: webserver, linux

Detection queries are available on the platform. Get full rules →