Vulnerability · Published Oct 26, 2024 · Assigned by GitHub_M
CVE-2020-26311GHSL-2020-312: Regular Expression Denial of Service (ReDoS) in useragent
High 8.7
In plain English
A high-severity regular-expression denial of service in useragent from 3rd-Eden. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.5%top 55.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Useragent is a user agent parser for Node.js. All versions as of time of publication contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no patches are available.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | useragent | no fix listed | GHSA-mgfv-m47x-4wqp |
Affected products (as reported)
Weakness: CWE-1333 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Green