HIGH

CVE-2020-7793

CVSS v3

7.5

HIGH

EPSS Score

3.9 %

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 0.7.23

Vendor advisories

CVE-2020-7793 Red Hat Product Security11 known affected
nodejs-ua-parser-js: ReDoS in multiple regexes
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
ICSA-22-258-05 CISA1 known affected
Siemens SINEC INS
SINEC INS
SSA-637483 Siemens ProductCERT1 known affected
SSA-637483 Third-Party Component Vulnerabilities in SINEC INS before V1.0 SP2
SINEC INS

Full record on NVD

Description

The package ua-parser-js before 0.7.23 are vulnerable to Regular Expression Denial of Service (ReDoS) in multiple regexes (see linked commit for more info).

Technical details

Published: 2020-12-11

Frequently asked questions

What is CVE-2020-7793?

The package ua-parser-js before 0.7.23 are vulnerable to Regular Expression Denial of Service (ReDoS) in multiple regexes (see linked commit for more info).

Is CVE-2020-7793 actively exploited?

Active exploitation of CVE-2020-7793 has not been confirmed. Its EPSS score was 3.9% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-7793?

CVE-2020-7793 has a CVSS v3 base score of 7.5 (HIGH severity).

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