CVE-2021-44862 : Vulnerability Insights and Analysis
Learn about CVE-2021-44862 affecting Netskope's NSClient version 91.0 and prior. Discover the impact, exploitation mechanism, and mitigation steps for this high-severity vulnerability.
CVE-2021-44862, also known as 'Sensitive Information stored in NSClient logs,' is a high-severity vulnerability that affects Netskope's NSClient version 91.0 and prior. The CVE was published on November 3, 2022, and has a CVSS base score of 8.4.
Understanding CVE-2021-44862
This vulnerability in NSClient allows authenticated, local attackers to access sensitive information stored in logs, potentially leading to data theft and impersonation. The attack complexity is low, with a high impact on confidentiality, integrity, and availability.
What is CVE-2021-44862?
The vulnerability in NSClient allows unauthorized access to sensitive data stored in logs, enabling malicious users to exploit this information for unauthorized activities like data exfiltration and impersonation.
The Impact of CVE-2021-44862
The impact of CVE-2021-44862 is high, as it enables attackers to fake the source of data (CAPEC-194) and potentially compromise the confidentiality and integrity of the data.
Technical Details of CVE-2021-44862
This section provides detailed technical insights into the vulnerability in NSClient.
Vulnerability Description
The issue arises from the absence of masking or scrubbing sensitive information before logging, allowing attackers to exploit this lapse.
Affected Systems and Versions
- Product: NSClient
- Vendor: Netskope
- Vulnerable Versions: 91.0 and Prior
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: None
- Availability Impact: High
- Confidentiality Impact: High
- Integrity Impact: High
Mitigation and Prevention
To safeguard systems against CVE-2021-44862, immediate actions and long-term security practices are essential.
Immediate Steps to Take
- Upgrade NSClient to the latest version available
Long-Term Security Practices
- Implement secure logging mechanisms
- Regularly review and monitor log files for unauthorized access
Patching and Updates
Make sure to consistently apply patches and updates to address vulnerabilities like CVE-2021-44862.