What’s Vulnerable › Vulnerabilities

CVE-2020-7733: Regular Expression Denial of Service (ReDoS)

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-16 · updated 2026-06-17
• Weakness: CWE-400

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.

Affected products

• Oracle Communications Cloud Native Core Network Function Cloud Native Environment: 1.7.0
• ua-parser-js: before 0.7.22 — fixed in 0.7.22
• Npm Ua-Parser-Js: before 0.7.22 — fixed in 0.7.22

How to fix

Upgrade to a fixed version: ua-parser-js 0.7.22; Npm Ua-Parser-Js 0.7.22. Check the vendor advisory for mitigations.

References

• https://github.com/faisalman/ua-parser-js/commit/233d3bae22a795153a7e6638887ce159c63e557d
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBFAISALMAN-674666
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-674665
• https://snyk.io/vuln/SNYK-JS-UAPARSERJS-610226
• https://www.oracle.com//security-alerts/cpujul2021.html
• https://github.com/faisalman/ua-parser-js/commit/233d3bae22a795153a7e6638887ce159c63e557d
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBFAISALMAN-674666
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-674665
• https://snyk.io/vuln/SNYK-JS-UAPARSERJS-610226
• https://www.oracle.com//security-alerts/cpujul2021.html

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