Vulnerability in Npmjs Npm-User-Validate

CVE-2020-7754

This affects the package npm-user-validate before 1.0.1. The regex that validates user emails took exponentially longer to process long input strings beginning with @ characters.

EPSS: 0.035 (87.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-7754?
CVE-2020-7754 is a high-severity vulnerability in Npmjs Npm-User-Validate. CVSS score: 7.5/10. Published 2020-10-27.
How severe is CVE-2020-7754?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-7754 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.