CVE-2020-26183 : Security Advisory and Response
Learn about CVE-2020-26183 affecting Dell EMC NetWorker versions before 19.3.0.2. Discover the impact, affected systems, exploitation details, and mitigation steps.
Dell EMC NetWorker versions prior to 19.3.0.2 contain an improper authorization vulnerability that could be exploited by remote users with low privileges. This CVE was published on October 15, 2020.
Understanding CVE-2020-26183
This CVE affects Dell EMC NetWorker versions before 19.3.0.2, allowing unauthorized 'nsrmmdbd' operations by certain low-privileged remote users.
What is CVE-2020-26183?
CVE-2020-26183 is an improper authorization vulnerability in Dell EMC NetWorker versions prior to 19.3.0.2. It enables specific remote users with limited privileges to execute 'nsrmmdbd' operations unintentionally.
The Impact of CVE-2020-26183
The vulnerability has a CVSS base score of 6.8, categorizing it as a medium severity issue. It poses a high integrity impact, requiring user interaction for exploitation.
Technical Details of CVE-2020-26183
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability in Dell EMC NetWorker allows certain remote users with low privileges to misuse 'nsrmmdbd' operations.
Affected Systems and Versions
- Product: NetWorker
- Vendor: Dell
- Versions Affected: Less than 19.3.0.2 (unspecified version type)
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: Low
- User Interaction: Required
- Scope: Changed
- Integrity Impact: High
- Confidentiality Impact: None
- Availability Impact: None
Mitigation and Prevention
Protecting systems from CVE-2020-26183 involves immediate and long-term security measures.
Immediate Steps to Take
- Apply security patches or updates provided by Dell promptly.
- Restrict network access to vulnerable systems.
- Monitor and audit 'nsrmmdbd' operations for unusual activities.
Long-Term Security Practices
- Regularly update and patch all software and systems.
- Implement the principle of least privilege to restrict user access.
- Conduct security training for users to recognize and report suspicious activities.
Patching and Updates
Ensure that Dell EMC NetWorker is updated to version 19.3.0.2 or higher to mitigate the vulnerability.