CVE-2020-4965 in Jazz Team Server
Summary
by MITRE • 04/13/2021
IBM Jazz Team Server products use weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 192422.
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Analysis
by VulDB Data Team • 04/16/2021
The vulnerability identified as CVE-2020-4965 affects IBM Jazz Team Server products and represents a significant cryptographic weakness that compromises the confidentiality of sensitive data. This issue stems from the implementation of cryptographic algorithms that fall below expected security standards, creating an avenue for attackers to potentially decrypt information that should remain protected. The vulnerability impacts organizations relying on IBM's collaboration and development platform solutions where sensitive information including source code, development artifacts, and proprietary data may be at risk.
The technical flaw manifests in the use of cryptographic algorithms that are either deprecated, improperly implemented, or insufficiently strong for modern security requirements. This weakness allows adversaries with appropriate skills and resources to perform cryptographic attacks that could lead to unauthorized access to encrypted data. The vulnerability's impact extends beyond simple data exposure as it undermines the fundamental security assumptions of the platform, potentially enabling more sophisticated attacks including man-in-the-middle scenarios or credential compromise. The weakness likely affects key exchange mechanisms, encryption protocols, or hash functions used within the IBM Jazz Team Server infrastructure.
Operationally, this vulnerability creates substantial risk for organizations utilizing IBM Jazz Team Server products as it directly threatens the confidentiality of development environments and intellectual property. Attackers could exploit this weakness to gain access to sensitive development artifacts, source code repositories, and other proprietary information that would typically be protected by strong cryptographic measures. The impact is particularly severe in environments where these servers handle confidential business data, government information, or regulated industry content where cryptographic strength is mandated by compliance frameworks such as pci dss, hipaa, or iso 27001 standards. Organizations may experience significant financial and reputational damage from successful exploitation.
Mitigation strategies should focus on immediate cryptographic algorithm upgrades and implementation of additional security controls. Organizations should prioritize updating to patched versions of IBM Jazz Team Server products as released by IBM security advisories. System administrators should conduct comprehensive cryptographic assessments to identify all affected components and implement stronger encryption protocols. Network segmentation and additional monitoring controls should be deployed to detect potential exploitation attempts. The vulnerability aligns with CWE-327 which addresses use of weak cryptographic algorithms, and may be categorized under ATT&CK technique T1552.004 for unsecured credentials. Organizations should also implement robust key management practices and consider implementing additional layers of security including multi-factor authentication and regular security audits to address the broader attack surface.