CVE-2020-7754

CVE-2020-7754 is a high-severity vulnerability in Npmjs Npm-user-validate with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-7754?
CVE-2020-7754 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2020-7754 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7754?
CVE-2020-7754 affects Npmjs Npm-user-validate. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7754?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-7754 published?
CVE-2020-7754 was published on 2020-10-27 and last updated on 2026-06-17.

References

Affected products (1)