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  1. CVEs
  2. CVE-2021-23406
  1. CVEs

CVE-2021-23406

critical
  • Information
  • CPEs
  • Plugins

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

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https://github.com/TooTallNate/node-pac-resolver/releases/tag/5.0.0

https://github.com/TooTallNate/node-degenerator/commit/ccc3445354135398b6eb1a04c7d27c13b833f2d5

https://github.com/TooTallNate/node-degenerator/commit/9d25bb67d957bc2e5425fea7bf7a58b3fc64ff9e

https://snyk.io/vuln/SNYK-JS-PACRESOLVER-1564857

https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1568506

Details

Source: Mitre, NVD

Published: 2021-08-24

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.01068

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