What is CVE-2020-7767?

CVE-2020-7767 is a medium-severity vulnerability in Express-Validators Project, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2020-11-11.

How severe is CVE-2020-7767?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2020-7767 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Express-Validators Project

CVE-2020-7767

All versions of package express-validators are vulnerable to Regular Expression Denial of Service (ReDoS) when validating specifically-crafted invalid urls.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.016 (73.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Express-validators_project Express-validators
N/a Express-validators — versions 0

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

yetingli/PoCs

References

report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-7767?: CVE-2020-7767 is a medium-severity vulnerability in Express-Validators Project, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2020-11-11.
How severe is CVE-2020-7767?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2020-7767 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.