CVE-2021-23343
CVSS v3
7.5
HIGH
EPSS Score
2.2 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-05-04
Frequently asked questions
What is CVE-2021-23343?
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.
Is CVE-2021-23343 actively exploited?
Active exploitation of CVE-2021-23343 has not been confirmed. Its EPSS score was 2.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-23343?
CVE-2021-23343 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2021-23343 affecting your environment?
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