CVE-2021-23343

Name: CVE-2021-23343
Creator: NVD / NIST
Published: 2021-05-04T09:15:07.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.22%

Last modified Jun 17, 2026

CVE-2021-23343 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. All versions of package path-parse are vulnerable to Regular Expression Denial of Service (ReDoS) via splitDeviceRe, splitTailRe, and splitPathRe regular expressions. ReDoS exhibits polynomial worst-case time complexity.. EPSS estimates a 2.22% chance of exploitation in the next 30 days.

Description

All versions of package path-parse are vulnerable to Regular Expression Denial of Service (ReDoS) via splitDeviceRe, splitTailRe, and splitPathRe regular expressions. ReDoS exhibits polynomial worst-case time complexity.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

2.22%

80.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Path-Parse Project	Path-Parse	< 1.0.7

References

https://github.com/jbgutierrez/path-parse/issues/8Exploit, Issue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/r6a32cb3eda3b19096ad48ef1e7aa8f26e005f2f63765abb69ce08b85%40%3Cdev.myfaces.apache.org%3E
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1279028Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-PATHPARSE-1077067Exploit, Third Party Advisory
https://github.com/jbgutierrez/path-parse/issues/8Exploit, Issue Tracking, Third Party Advisory
https://lists.apache.org/thread.html/r6a32cb3eda3b19096ad48ef1e7aa8f26e005f2f63765abb69ce08b85%40%3Cdev.myfaces.apache.org%3E
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1279028Exploit, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-PATHPARSE-1077067Exploit, Third Party Advisory

Timeline

Published: May 4, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-23343?

How severe is CVE-2021-23343?

CVE-2021-23343 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.22% probability of exploitation in the next 30 days.

How do I fix CVE-2021-23343?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-23343?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST