CVE-2020-5684 : Exploit Details and Defense Strategies
Learn about CVE-2020-5684, a vulnerability in iSM client versions from V5.1 to V12.1 running on NEC Storage Manager or NEC Storage Manager Express, enabling man-in-the-middle attacks on encrypted communications.
This CVE involves a vulnerability in the iSM client versions from V5.1 to V12.1 running on NEC Storage Manager or NEC Storage Manager Express, allowing a man-in-the-middle attacker to intercept or modify encrypted communications.
Understanding CVE-2020-5684
This CVE pertains to improper server certificate verification in the iSM client software.
What is CVE-2020-5684?
The vulnerability in iSM client versions from V5.1 to V12.1 enables a man-in-the-middle attacker to exploit the lack of proper server certificate validation, potentially compromising encrypted communications.
The Impact of CVE-2020-5684
The vulnerability allows attackers to eavesdrop on encrypted communications or manipulate them using a specially crafted certificate.
Technical Details of CVE-2020-5684
This section provides detailed technical information about the CVE.
Vulnerability Description
The iSM client versions from V5.1 to V12.1 fail to adequately verify server certificates, opening the door for man-in-the-middle attacks.
Affected Systems and Versions
- Product: Management software for NEC Storage disk array system
- Vendor: NEC Corporation
- Affected Versions: iSM client versions from V5.1 to V12.1 running on NEC Storage Manager or NEC Storage Manager Express
Exploitation Mechanism
The vulnerability allows a man-in-the-middle attacker to intercept or modify encrypted communications by exploiting the inadequate server certificate validation in the iSM client software.
Mitigation and Prevention
Protecting systems from CVE-2020-5684 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update iSM client software to a version that addresses the certificate verification issue.
- Monitor network traffic for any signs of unauthorized access or tampering.
Long-Term Security Practices
- Implement strong encryption protocols to secure communications.
- Regularly update and patch software to address known vulnerabilities.
Patching and Updates
Apply patches provided by NEC Corporation to fix the server certificate verification issue in the affected iSM client versions.