CVE-2020-1810 in CloudEngine 12800
Summary
by MITRE
Huawei products CloudEngine 12800, S5700, and S6700 have a weak algorithm vulnerability. The affected products use the RSA algorithm in the SSL key exchange algorithm which have been considered as a weak algorithm. Attackers may exploit this vulnerability to leak some information. Affected product versions include: CloudEngine 12800 versions V100R003C00SPC600, V100R003C10SPC100, V100R005C00SPC200, V100R005C00SPC300, V100R005C10HP0001, V100R005C10SPC100, V100R005C10SPC200, V100R006C00, V200R001C00, V200R002C01, V200R002C10, V200R002C20, V200R005C10; CloudEngine S5700 versions V200R005C00SPC500, V200R005C03, V200R006C00SPC100, V200R006C00SPC300, V200R006C00SPC500, V200R007C00SPC100, V200R007C00SPC500, V200R010C00SPC300, V200R010C00SPC600, V200R010C00SPC700, V200R011C00SPC200, V200R011C10SPC500, V200R011C10SPC600, V200R012C00SPC200, V200R012C00SPC500, V200R012C00SPC600, V200R012C00SPC700, V200R012C00SPC710, V200R012C20; CloudEngine S6700 versions V200R005C00SPC500, V200R005C01, V200R008C00SPC500, V200R010C00SPC300, V200R010C00SPC600, V200R011C00SPC200, V200R011C10SPC500, V200R011C10SPC600, V200R012C00SPC200, V200R012C00SPC500, V200R012C00SPC600, V200R012C00SPC710.
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Analysis
by VulDB Data Team • 03/20/2024
The vulnerability identified as CVE-2020-1810 affects Huawei networking equipment including CloudEngine 12800, S5700, and S6700 series switches. This weakness stems from the implementation of RSA algorithm within the SSL key exchange mechanism, which has been deemed insufficiently secure by contemporary cryptographic standards. The vulnerability represents a significant concern for network security infrastructure as it exposes systems to potential information leakage attacks that could compromise sensitive data transmitted through these devices.
The technical flaw manifests in the use of weak cryptographic algorithms during the SSL/TLS handshake process, specifically within the RSA key exchange component. This implementation fails to meet current security requirements for key exchange mechanisms, making it susceptible to various attack vectors including man-in-the-middle attacks and cryptographic analysis techniques that can potentially extract sensitive information from encrypted communications. The vulnerability affects multiple software versions across different product lines, indicating a widespread implementation issue rather than a localized defect.
Operational impact of this vulnerability extends beyond simple data exposure risks, as it undermines the fundamental security assurances that network infrastructure devices are expected to provide. Attackers exploiting this weakness could potentially intercept and decrypt communications passing through affected switches, leading to unauthorized access to confidential information, service disruption, or establishment of persistent backdoors within network environments. The affected versions span several major release cycles, suggesting that organizations may have been exposed to this risk for extended periods without awareness of the cryptographic weaknesses.
Mitigation strategies should prioritize immediate implementation of stronger cryptographic protocols and key exchange mechanisms within the affected Huawei devices. Organizations must upgrade to patched firmware versions where available and consider implementing additional security controls such as certificate pinning, enhanced monitoring for suspicious network activity, and temporary network segmentation to limit potential attack surface. The vulnerability aligns with CWE-327, which specifically addresses the use of weak cryptographic algorithms, and represents a clear violation of NIST SP 800-57 guidelines for cryptographic key management. From an ATT&CK framework perspective, this vulnerability maps to T1046 for network service scanning and T1566 for credential access through network infrastructure compromise, emphasizing the need for comprehensive network security assessments and continuous monitoring to detect exploitation attempts.