Learn about CVE-2020-26892, a vulnerability in the JWT library of NATS nats-server before 2.1.9, leading to Incorrect Access Control. Find mitigation steps and preventive measures here.
The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control due to how expired credentials are managed.
Understanding CVE-2020-26892
This CVE involves a vulnerability in the JWT library used in NATS nats-server, impacting versions prior to 2.1.9.
What is CVE-2020-26892?
The issue arises from the mishandling of expired credentials within the JWT library of NATS nats-server.
The Impact of CVE-2020-26892
The vulnerability can lead to Incorrect Access Control, potentially allowing unauthorized access to sensitive information or system resources.
Technical Details of CVE-2020-26892
This section delves into the technical aspects of the CVE.
Vulnerability Description
The JWT library in NATS nats-server before version 2.1.9 is susceptible to Incorrect Access Control due to improper handling of expired credentials.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited by attackers to gain unauthorized access by leveraging the mishandling of expired credentials within the JWT library.
Mitigation and Prevention
Protecting systems from CVE-2020-26892 requires immediate actions and long-term security practices.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates