CVE-2025-9239 in eladmin
Summary
by MITRE • 08/20/2025
A vulnerability was identified in elunez eladmin up to 2.7. Affected by this vulnerability is the function EncryptUtils of the file eladmin-common/src/main/java/me/zhengjie/utils/EncryptUtils.java of the component DES Key Handler. The manipulation of the argument STR_PARAM with the input Passw0rd leads to inadequate encryption strength. The attack can be initiated remotely. The attack is considered to have high complexity. The exploitation appears to be difficult.
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Analysis
by VulDB Data Team • 11/01/2025
The vulnerability identified in elunez eladmin version 2.7 represents a critical cryptographic weakness within the application's security infrastructure. This flaw resides in the EncryptUtils class located at eladmin-common/src/main/java/me/zhengjie/utils/EncryptUtils.java, specifically within the DES Key Handler component that governs data encryption operations. The vulnerability manifests when the STR_PARAM argument receives the input value Passw0rd, which demonstrates a fundamental misunderstanding of cryptographic best practices and security requirements. The weakness directly impacts the encryption strength, potentially compromising the confidentiality and integrity of sensitive data processed by the application.
The technical implementation of this vulnerability demonstrates poor cryptographic design principles that align with CWE-327, which addresses the use of weak cryptographic algorithms. The DES encryption algorithm, while historically significant, has been deprecated for modern security applications due to its 56-bit key length being insufficient against contemporary computational capabilities. When an attacker can manipulate the STR_PARAM argument to trigger weak encryption behavior, they effectively undermine the entire security framework. The attack vector being remote indicates that this vulnerability can be exploited without physical access to the system, making it particularly dangerous for web-based applications. The high complexity requirement for exploitation suggests that attackers must possess significant technical expertise and resources, though this does not mitigate the severity of the underlying cryptographic weakness.
The operational impact of this vulnerability extends beyond simple data exposure, as it fundamentally compromises the trust model that eladmin relies upon for secure communications. Organizations using this software may experience unauthorized access to sensitive information, data breaches, and potential compliance violations with security standards such as pci dss, hipaa, and gdpr. The difficulty of exploitation does not eliminate the risk, as determined attackers with sufficient resources can overcome the complexity barriers. This vulnerability creates a persistent threat surface that could be leveraged for advanced persistent threats, man-in-the-middle attacks, or credential theft operations. The remote attack capability means that this vulnerability can be exploited from anywhere on the internet, making it an attractive target for both automated scanning tools and targeted attacks.
Mitigation strategies should prioritize immediate remediation through cryptographic algorithm upgrades, specifically replacing DES with stronger encryption standards such as AES-256. The implementation of proper key management practices and regular security audits are essential to prevent similar vulnerabilities. Organizations should also consider implementing additional security controls including network segmentation, intrusion detection systems, and continuous monitoring of encrypted data flows. The vulnerability's characteristics align with ATT&CK technique T1552.004, which covers unsecured credentials, and T1071.004, which addresses application layer protocol traffic. Regular security assessments and code reviews focusing on cryptographic implementations should become standard practice to identify and address similar weaknesses in software components. The remediation process must include thorough testing to ensure that the new encryption implementation does not introduce performance degradation or compatibility issues within the existing application architecture.