CVE-2024-21539

Published Nov 19, 2024 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed

Description

Versions of the package @eslint/plugin-kit before 0.2.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to improper input sanitization. An attacker can increase the CPU usage and crash the program by exploiting this vulnerability.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

@eslint/plugin-kit

affected

Version	Status	Constraints
`0`	affected	< 0.2.3

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2024-3213	Versions of the package @eslint/plugin-kit before 0.2.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to improper input sanitization. An attacker can increase the CPU usage and crash the program by exploiting this vulnerability.
Github GHSA	GHSA-7q7g-4xm8-89cq	Regular Expression Denial of Service (ReDoS) in @eslint/plugin-kit

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.507% probability within 30 days)

Exploitation poc

Automatable yes

Technical Impact partial

References

Link	Providers
https://github.com/eslint/rewrite/commit/071be842f0bd58de4863cdf2ab86d60f49912abf
https://security.snyk.io/vuln/SNYK-JS-ESLINTPLUGINKIT-8340627

History

Aug 3, 2026 3:30 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		cvssV4_0 `{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P'}`

Nov 19, 2024 4:15 PM First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
First Time appeared		Eslint Eslint rewrite
Weaknesses		CWE-770
CPEs		cpe:2.3:a:eslint:rewrite::::::::
Vendors & Products		Eslint Eslint rewrite
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Nov 19, 2024 5:15 AM Description updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		Versions of the package @eslint/plugin-kit before 0.2.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to improper input sanitization. An attacker can increase the CPU usage and crash the program by exploiting this vulnerability.
Weaknesses		CWE-1333
References		https://github.com/eslint/rewrite/commit/071be842f0bd58de4863cdf2ab86d60f49912abf https://security.snyk.io/vuln/SNYK-JS-ESLINTPLUGINKIT-8340627
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P'}`