SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-16086

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.

HIGH 7.5EPSS 9.24%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (9.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
9.24% probability · 95th percentile
CISA KEV
Not listed
Weakness
CWE-400
Affected
ua-parser project/ua-parser
Source
support@hackerone.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.