7.5

CVE-2021-23343: Regular Expression Denial of Service (ReDoS)

Modified
AliasesGHSA-hj48-42vr-x3v9CGA-3788-29xp-rpcwCGA-38hx-m996-43mg
Published 04-05-2021Last modified 16-09-2024

Vulnerability summary

CVE-2021-23343 is a high (CVSS 7.5) vulnerability in path-parse_project path-parse. EPSS estimates a 2.22% chance of exploitation in the next 30 days, higher than 82.6% of scored vulnerabilities. 3 public exploits are recorded.

Priority
Routine

Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3github, reference

Advisory lineage

Upstream 0 · Downstream 18 · Related 11
OPENSUSE-SU-2022:0657-1OPENSUSE-SU-2022:0704-1OPENSUSE-SU-2022:0715-1RHSA-2021:2865RHSA-2021:3280RHSA-2021:3281

Timeline

  1. 04-05-2021
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.22%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.22% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

3 found
  • githubUnverified

    Path Parse

    Maturity: poc

  • referenceUnverified

    Exploit Reference (snyk.io)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (snyk.io)

    Maturity: unknown

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard2 products
  • arangodb-3.11< 3.11.14.5-r28
  • arangodb-3.12< 3.12.11-r0
Npm1 product
  • path-parse< 1.0.7
Path-parse_project1 product

3 vendors · 4 products

References

9 links