CVE-2021-34801

MEDIUM

Valine 1.4.14 - Denial of Service via User-Agent Header

Title source: llm

Description

Valine 1.4.14 allows remote attackers to cause a denial of service (application outage) by supplying a ua (aka User-Agent) value that only specifies the product and version.

References (1)

Core 1

Core References

Exploit, Issue Tracking, Third Party Advisory x_refsource_misc

https://github.com/xCss/Valine/issues/366

Scores

CVSS v3 5.3

EPSS 0.0172

EPSS Percentile 74.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

Status published

Products (2)

npm/valine 0npm

valine.js/valine 1.4.14

Published Jun 16, 2021

Tracked Since Feb 18, 2026