CVE-2021-23406

HIGH

pac-resolver <5.0.0 - Code Injection

Title source: llm
STIX 2.1

Description

This affects the package pac-resolver before 5.0.0. This can occur when used with untrusted input, due to unsafe PAC file handling. **NOTE:** The fix for this vulnerability is applied in the node-degenerator library, a dependency written by the same maintainer.

References (5)

Core 5
Core References
Exploit, Patch, Third Party Advisory x_refsource_misc
https://snyk.io/vuln/SNYK-JS-PACRESOLVER-1564857
Exploit, Patch, Third Party Advisory x_refsource_misc
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1568506
Patch, Release Notes, Third Party Advisory x_refsource_misc
https://github.com/TooTallNate/node-pac-resolver/releases/tag/5.0.0

Scores

CVSS v3 8.1
EPSS 0.0100
EPSS Percentile 77.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (3)
npm/degenerator 0 - 3.0.1npm
npm/pac-resolver 0 - 5.0.0npm
pac-resolver_project/pac-resolver < 5.0.0
Published Aug 24, 2021
Tracked Since Feb 18, 2026