CVE-2017-16086
HIGHUa-parser - Denial of Service
Title source: ruleDescription
ua-parser is a port of Browserscope's user agent parser. ua-parser is vulnerable to a ReDoS (Regular Expression Denial of Service) attack when given a specially crafted UserAgent header.
Exploits (1)
metasploit
WORKING POC
by Ryan Knell, Sonatype Security Research, Nick Starke, Sonatype Security Research · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/dos/http/ua_parser_js_redos.rb
Scores
CVSS v3
7.5
EPSS
0.5777
EPSS Percentile
98.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-400
Status
published
Products (2)
npm/ua-parser
0npm
ua-parser_project/ua-parser
Published
Jun 07, 2018
Tracked Since
Feb 18, 2026