Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2021-27884

Date: March 1, 2021

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.

Language: JS

Severity Score

Related Resources (5)

https://securitylab.github.com/advisories/GHSL-2020-228-YMFE-yapi
https://github.com/YMFE/yapi/issues/2263
https://nvd.nist.gov/vuln/detail/CVE-2021-27884
https://github.com/YMFE/yapi/issues/2117
https://www.mend.io/vulnerability-database/CVE-2021-27884

Severity Score

Weakness Type (CWE)

Use of Insufficiently Random Values

CWE-330

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

Do you need more information?

Contact Us