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CVE-2020-7733
Regular Expression Denial of Service (ReDoS)
High7.5EPSS 4.5%
- Published
- Updated
- Reserved
- Assigned by
- snyk
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| snykCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 4.5% · top 8.5% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Regular Expression Denial of Service (ReDoS)
- CWE-400 (opens in a new tab)All about CWE-400 and its CVEs
Affected products
ua-parser-js
- affected unspecified – < 0.7.22
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmua-parser-jsGHSA-662x-fhqg-9p8v (opens in a new tab)
References (5)
- https://snyk.io/vuln/SNYK-JS-UAPARSERJS-610226 (opens in a new tab)x_refsource_MISCx_transferred
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-674665 (opens in a new tab)x_refsource_MISCx_transferred
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBFAISALMAN-674666 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/faisalman/ua-parser-js/commit/233d3bae22a795153a7e6638887ce159c63e557d (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com//security-alerts/cpujul2021.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-662x-fhqg-9p8v (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2020-7733)Record last updated .