What is CVE-2021-27884?

CVE-2021-27884 is a medium-severity vulnerability in Ymfe Yapi, classified under Use of Insufficiently Random Values. CVSS score: 5.1/10. Published 2021-03-01.

How severe is CVE-2021-27884?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Vulnerability in Ymfe Yapi

CVE-2021-27884

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.

EPSS: 0.003 (26.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Ymfe Yapi
N/a — versions n/a

Weakness classification (CWE)

CWE-330 — Use of Insufficiently Random Values

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-27884?: CVE-2021-27884 is a medium-severity vulnerability in Ymfe Yapi, classified under Use of Insufficiently Random Values. CVSS score: 5.1/10. Published 2021-03-01.
How severe is CVE-2021-27884?: Medium severity. CVSS v3 base score is 5.1 out of 10.