CVE-2020-7514 in Easergy Builder
Summary
by MITRE
A CWE-327: Use of a Broken or Risky Cryptographic Algorithm vulnerability exists in Easergy Builder (Version 1.4.7.2 and older) which could allow an attacker access to the authorization credentials for a device and gain full access.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 07/24/2020
The vulnerability identified as CVE-2020-7514 represents a critical cryptographic weakness in Easergy Builder software version 1.4.7.2 and earlier, classified under CWE-327 which specifically addresses the use of broken or risky cryptographic algorithms. This flaw resides within the authentication mechanism of the software, creating a pathway for unauthorized access to device authorization credentials. The vulnerability stems from the implementation of weak cryptographic practices that fail to meet modern security standards, potentially allowing attackers to compromise the entire system through credential theft.
The technical implementation of this vulnerability involves the use of deprecated or insufficiently secure cryptographic algorithms that do not provide adequate protection for sensitive authentication data. When Easergy Builder handles authorization credentials, it employs cryptographic methods that are either outdated, improperly configured, or fundamentally flawed in their design. This weakness allows attackers to potentially reverse engineer or decrypt the stored credentials, thereby gaining unauthorized access to the device management interfaces. The vulnerability impacts the integrity and confidentiality of the authentication process, undermining the security posture of the entire system.
From an operational perspective, this vulnerability presents significant risks to organizations relying on Easergy Builder for device management and control. An attacker who successfully exploits this weakness could gain full administrative access to managed devices, potentially leading to complete system compromise, data exfiltration, or disruption of critical operations. The impact extends beyond individual device compromise to potentially affect entire network infrastructures where these devices operate. The vulnerability's exploitation requires minimal technical skill, making it particularly dangerous as it can be leveraged by threat actors with varying levels of expertise.
Mitigation strategies for CVE-2020-7514 should prioritize immediate software updates to versions that address the cryptographic weaknesses. Organizations must implement comprehensive vulnerability management processes to identify and remediate affected systems. The solution involves upgrading to Easergy Builder versions that utilize strong cryptographic algorithms such as AES-256 with proper key management practices, as recommended by NIST guidelines. Additionally, implementing network segmentation, access controls, and monitoring mechanisms can help detect and prevent exploitation attempts. Security teams should also conduct thorough assessments of their device management infrastructure to identify similar cryptographic weaknesses and ensure compliance with industry standards including those outlined in the ATT&CK framework for credential access and privilege escalation techniques.