CVE-2024-23573 in Aftermarket EPC
Summary
by MITRE • 07/17/2026
HCL Aftermarket EPC is vulnerable to attack since the Application is vulnerable to Lucky 13. that makes the SS LLUCKY13 possible affects the TLS1.1and 1.2 and DTLS1.0 or 1.2 implementations . It also affects previous versions such as SSL3.0 and TLS1.0. This can also be considered a type of man-in-the-middle attack.
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Analysis
by VulDB Data Team • 07/17/2026
The HCL Aftermarket EPC application presents a significant security vulnerability through its susceptibility to the Lucky 13 attack, a well-documented cryptographic flaw that undermines the integrity of secure communications. This vulnerability specifically targets implementations of Transport Layer Security protocols including TLS 1.1, TLS 1.2, DTLS 1.0, and DTLS 1.2, while also affecting older versions such as SSL 3.0 and TLS 1.0. The Lucky 13 attack exploits timing variations in the processing of cryptographic operations during the TLS handshake process, allowing attackers to potentially decrypt secure communications.
The technical flaw manifests through the improper handling of message authentication codes within the TLS protocol implementation, where the application fails to properly validate the timing characteristics of cryptographic operations. This vulnerability falls under CWE-310, which specifically addresses cryptographic weaknesses related to timing attacks and insufficient randomness in cryptographic implementations. The attack vector allows adversaries to exploit the predictable timing patterns that occur during the processing of authenticated encryption operations, enabling them to gradually recover secret keys or plaintext data.
From an operational perspective, this vulnerability creates a substantial risk for organizations using HCL Aftermarket EPC systems, as it enables man-in-the-middle attacks where attackers can intercept and potentially modify sensitive communications between the application and its backend systems. The impact extends beyond simple data interception to include potential system compromise through credential theft, unauthorized access to corporate data, and disruption of business processes that rely on secure communication channels. This vulnerability affects not only the confidentiality but also the integrity and authenticity of communications within the application environment.
The mitigation strategy for this vulnerability involves implementing proper cryptographic countermeasures such as constant-time implementations of cryptographic operations, ensuring consistent timing characteristics regardless of input data, and upgrading to patched versions of the TLS protocol stack. Organizations should also consider implementing additional network monitoring controls to detect anomalous timing patterns that might indicate exploitation attempts. The remediation process requires careful evaluation of existing TLS configurations, implementation of proper padding schemes, and potentially reconfiguration of cryptographic protocols to eliminate the timing variations that enable the Lucky 13 attack. This vulnerability aligns with ATT&CK technique T1566, which covers credential harvesting through man-in-the-middle attacks, and represents a critical security gap that requires immediate attention to prevent potential exploitation by threat actors targeting enterprise communication systems.