CVE-2021-20360 in Cloud Pak for Applications
Summary
by MITRE • 07/13/2021
IBM Cloud Pak for Applications 4.3 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 195031.
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Analysis
by VulDB Data Team • 07/18/2021
IBM Cloud Pak for Applications version 4.3 contains a cryptographic vulnerability that stems from the implementation of weaker-than-expected encryption algorithms within its security framework. This weakness specifically affects the system's ability to protect highly sensitive information through inadequate cryptographic strength, creating potential exposure pathways for unauthorized parties seeking to compromise data integrity and confidentiality. The vulnerability represents a significant concern for organizations relying on this platform for critical application deployments and data management operations. The use of substandard cryptographic mechanisms within enterprise cloud infrastructure directly violates established security best practices and industry standards that mandate robust encryption protocols for protecting sensitive data assets.
The technical flaw manifests in the platform's cryptographic implementation where it employs encryption algorithms that fall below recommended security thresholds for protecting confidential information. This cryptographic weakness allows attackers to potentially exploit the system's encryption mechanisms through various attack vectors including brute force attempts, cryptographic analysis, or specialized tools designed to break weaker encryption standards. The vulnerability creates an elevated risk for data breaches where sensitive information could be decrypted without proper authorization, potentially exposing proprietary data, user credentials, or business-critical information. This weakness aligns with common cryptographic vulnerabilities categorized under CWE-327 which addresses the use of weak or broken cryptographic algorithms in security implementations.
The operational impact of this vulnerability extends beyond simple data exposure to encompass broader security implications for organizations using IBM Cloud Pak for Applications 4.3. System administrators and security teams face increased risk of unauthorized data access, potential regulatory compliance violations, and damage to organizational reputation. The vulnerability affects the platform's core security infrastructure, potentially compromising multiple data streams and application communications that rely on the system's cryptographic protections. Organizations may experience cascading security effects where the compromised encryption mechanisms could facilitate further attacks including privilege escalation or lateral movement within the network environment. This vulnerability directly impacts the platform's security posture and violates fundamental principles of information security that require strong cryptographic protection for sensitive data.
Organizations should implement immediate mitigation strategies including upgrading to patched versions of IBM Cloud Pak for Applications, reviewing and strengthening existing cryptographic implementations, and conducting comprehensive security assessments of affected systems. The recommended approach involves applying official IBM security patches and updates to resolve the cryptographic weakness while implementing additional security controls such as network segmentation and enhanced monitoring. Security teams should also consider implementing compensating controls including additional data encryption layers, access controls, and continuous monitoring to detect potential exploitation attempts. Organizations must evaluate their compliance with relevant security standards including iso 27001, nist 800-53, and other regulatory frameworks that mandate robust cryptographic protections for sensitive information. The vulnerability highlights the critical importance of maintaining up-to-date cryptographic implementations and following established security frameworks such as those defined in the mitre attack framework where cryptographic weaknesses represent common initial access and persistence vectors for advanced persistent threats.