CVE-2024-23577 HCLSoftware CVE debrief

Who should care

Security teams and administrators responsible for HCL Aftermarket EPC installations should be aware of this vulnerability and take steps to verify their exposure and apply mitigations.

Technical summary

The vulnerability exists because HCL Aftermarket EPC does not properly validate the HOST header in HTTP requests, potentially leading to host header poisoning and server misconfigurations. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 4.3, classified as MEDIUM severity. This oversight can allow attackers to manipulate the HOST header, potentially leading to security risks such as host header poisoning and server misconfigurations. Security teams and administrators responsible for HCL Aftermarket EPC installations should be aware of this vulnerability and take steps to verify their exposure and apply mitigations. The application does not adequately validate or sanitize the HOST header when requested over HTTP, potentially leading to host header poisoning and server misconfigurations. The vendor has not provided additional information on the vulnerability. Limited details are available about the specific affected versions or configurations of HCL Aftermarket EPC.

Defensive priority

Apply vendor patches or workarounds to validate and sanitize HOST headers. Verify and restrict allowed hosts configurations. Monitor for suspicious activity related to HOST header manipulation. Review and update security policies to address host header validation. Consider compensating controls for exposed systems while remediation is scheduled and verified. Track exceptions and retest remediated assets. Ensure security teams and administrators are aware of this vulnerability and take steps to verify their exposure and apply mitigations. This vulnerability may impact HCL Aftermarket EPC installations, and operators should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. Security teams should plan vendor-supported updates or mitigations through normal change control where exposure is confirmed. Check relevant monitoring, detection, and logs for exposed assets that need extra review. Ensure that security policies are updated to address host header validation and consider the operational impact of this vulnerability on the affected product or component. The vulnerability exists because HCL Aftermarket EPC does not properly validate the HOST header in HTTP requests, potentially leading to host header poisoning and server misconfigurations. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 4.3, classified as MEDIUM severity. Security teams and administrators responsible for HCL Aftermarket EPC installations should be aware of this vulnerability and take steps to verify their exposure and apply mitigations. The application does not adequately validate or sanitize the HOST header when requested over HTTP, potentially leading to host header poisoning and server misconfigurations. This oversight can allow attackers to manipulate the HOST header, potentially leading to security risks such as host header poisoning and server misconfigurations. The CVE record was published on 2026-07-17T14:17:17.947Z and has not been modified since then. The NVD entry is currently in the 'Received' status. Limited details are available about the specific affected versions or configurations of HCLAfter

Recommended defensive actions

• Verify HCL Aftermarket EPC installations for exposure to this vulnerability
• Apply patches or workarounds provided by the vendor to validate and sanitize HOST headers
• Restrict allowed hosts configurations to prevent unauthorized access
• Monitor for suspicious activity related to HOST header manipulation
• Review and update security policies to address host header validation

Evidence notes

The CVE record was published on 2026-07-17T14:17:17.947Z and has not been modified since then. The NVD entry is currently in the 'Received' status. Limited details are available about the specific affected versions or configurations of HCL Aftermarket EPC. The vendor has not provided additional information on the vulnerability. Security teams should verify their exposure and review available mitigations.

Official resources