CVE-2021-40340 : What You Need to Know
Discover an information exposure vulnerability in Hitachi Energy LinkOne application (CVE-2021-40340) with a low severity impact. Learn how to mitigate and prevent this security risk.
Hitachi Energy disclosed an Information Exposure vulnerability in the LinkOne application, potentially leading to server information exposure.
Understanding CVE-2021-40340
This CVE involves an information exposure vulnerability in Hitachi Energy's LinkOne application due to ASP server misconfiguration.
What is CVE-2021-40340?
The vulnerability exposes server and ASP.net information, enabling attackers to conduct reconnaissance for further exploitation.
The Impact of CVE-2021-40340
The vulnerability has a CVSS base score of 3.7 (Low severity) with a high attack complexity via network.
Technical Details of CVE-2021-40340
The technical aspects of this CVE are as follows:
Vulnerability Description
The misconfiguration in the ASP server exposes critical server and ASP.net information to potential attackers.
Affected Systems and Versions
Affected versions include Hitachi Energy LinkOne 3.20 to 3.26.
Exploitation Mechanism
Attackers exploit this vulnerability to gather information for future cyber attacks.
Mitigation and Prevention
Necessary actions to address CVE-2021-40340:
Immediate Steps to Take
- Apply security patch or update to LinkOne v3.27 for each affected version.
Long-Term Security Practices
- Regularly monitor and update server configurations to prevent future misconfigurations.
- Conduct security assessments to identify and mitigate similar vulnerabilities.
Patching and Updates
Timely apply software patches and updates to enhance system security.