# CVE-2024-23574: HCL Aftermarket EPC user enumeration via response discrepancy

Source: https://junglewise.ai/threats/cve-2024-23574-hcl-aftermarket-epc-user-enumeration-via-response-discrepancy  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-17. Updated: 2026-07-17  
License: CC BY 4.0 with a link back

CVE-2024-23574 · Severity: medium · CVSS 5.3 · Published 2026-07-17

HCL Aftermarket EPC, a platform used for managing electronic parts catalogs, is susceptible to user enumeration. An unauthorized attacker can use automated techniques to identify valid usernames within the system. This information can be used as a starting point for more targeted attacks, such as password guessing or phishing, potentially leading to unauthorized account access.

Technologies: [HCL Software Aftermarket EPC](https://junglewise.ai/threats/technologies/aftermarket-epc). Vendors: [HCL Software](https://junglewise.ai/threats/vendors/hcl-software).

## Quick answers

**Is CVE-2024-23574 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2024-23574 being exploited in the wild.

**How severe is CVE-2024-23574?** Medium severity, with a CVSS score of 5.3, published 17 July 2026.

**Which products and versions are affected?** HCL Software Aftermarket EPC 1.0.0.

**Is there a fix for CVE-2024-23574?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2024-23574 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2024-23574?** Check whether you run HCL Software Aftermarket EPC at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

HCL Aftermarket EPC version 1.0.0 is vulnerable to an observable response discrepancy (CWE-204). This flaw allows a remote, unauthenticated attacker to use brute-force techniques to confirm the existence of valid usernames by analyzing differences in the application's responses. The vulnerability is exploitable over the network without user interaction. While it does not directly allow for data modification or service disruption, it facilitates reconnaissance for subsequent credential-based attacks. Users are advised to consult HCL Software advisory KB0132294 for remediation steps.

## Affected products

- HCL Software Aftermarket EPC 1.0.0

## Timeline

- 2026-07-17: advisory: HCL Software published the security bulletin KB0132294.
- 2026-07-17: disclosed: CVE-2024-23574 was published to the NVD.

## References

- [https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132294](https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0132294)

## Related threats

- [HCL Aftermarket EPC information disclosure via HTTP OPTIONS method](https://junglewise.ai/threats/cve-2024-42214-hcl-aftermarket-epc-information-disclosure-via-http-options)
- [HCL Aftermarket EPC permissive CORS policy](https://junglewise.ai/threats/cve-2024-23578-hcl-aftermarket-epc-permissive-cors-policy)
- [HCL Aftermarket EPC Host header poisoning](https://junglewise.ai/threats/cve-2024-23577-hcl-aftermarket-epc-host-header-poisoning)
- [HCL Aftermarket EPC information disclosure via detailed error messages](https://junglewise.ai/threats/cve-2024-23575-hcl-aftermarket-epc-information-disclosure-via-detailed-error)
- [HCL Aftermarket EPC Lucky 13 timing attack in TLS/DTLS](https://junglewise.ai/threats/cve-2024-23573-hcl-aftermarket-epc-lucky-13-timing-attack-in-tls-dtls)