HIGH

CVE-2020-7733

CVSS v3

7.5

HIGH

EPSS Score

4.5 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

ua-parser-jsnpmall versions · fixed in 0.7.22

Vendor advisories

CVE-2020-7733 Red Hat Product Security4 products fixed · 10 known affected
nodejs-ua-parser-js: Regular expression denial of service via the regex
distributed-tracing/jaeger-all-in-one-rhel7 as a component of Distributed Tracing Jaeger 1 · distributed-tracing/jaeger-query-rhel7 as a component of Distributed Tracing Jaeger 1 · nodejs-ua-parser-js.src as a component of Red Hat Advanced Cluster Management for Kubernetes 2
RHSA-2021:4626 Red Hat Product Security2 products fixed
Red Hat Security Advisory: RHV Manager (ovirt-engine) security update [ovirt-4.4.9]
RHSA-2021:2865 Red Hat Product Security2 products fixed
Red Hat Security Advisory: RHV Manager (ovirt-engine) security update [ovirt-4.4.7]

Full record on NVD

Description

The package ua-parser-js before 0.7.22 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex for Redmi Phones and Mi Pad Tablets UA.

Technical details

Published: 2020-09-16

Frequently asked questions

What is CVE-2020-7733?

The package ua-parser-js before 0.7.22 are vulnerable to Regular Expression Denial of Service (ReDoS) via the regex for Redmi Phones and Mi Pad Tablets UA.

Is CVE-2020-7733 actively exploited?

Active exploitation of CVE-2020-7733 has not been confirmed. Its EPSS score was 4.5% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-7733?

CVE-2020-7733 has a CVSS v3 base score of 7.5 (HIGH severity).

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