CVE-2021-27884

Description

Weak JSON Web Token (JWT) signing secret generation in YMFE YApi through 1.9.2 allows recreation of other users' JWT tokens. This occurs because Math.random in Node.js is used.

Category

5.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.06%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://securitylab.github.com/advisories/GHSL-2020-228-YMFE-yapi third party advisory
https://github.com/YMFE/yapi/issues/2117 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27884?
CVE-2021-27884 has been scored as a medium severity vulnerability.
How to fix CVE-2021-27884?
To fix CVE-2021-27884, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27884 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27884 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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