CVE-2024-21539

HIGH

7.5

CVSS Score

Published: November 19, 2024 at 05:00 AM UTC

Updated: August 3, 2026 at 04:36 PM UTC

2 products affected across 1 vendorRewritePlugin Kit

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Severity

HIGH7.5

Exploit prediction

EPSS 0.5%

SSVC

PoC

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Plugin Kit · Eslintnpm

60%

v < 0.2.3

Affected range stops below 0.2.3, so it looks safe — our inference, not a vendor statement

Rewrite · Eslint

60%

v < 0.2.3

Affected range stops below 0.2.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Source: [email protected]

https://github.com/eslint/rewrite/commit/071be842f0bd58de4863cdf2ab86d60f49912abf

Source: [email protected]

https://security.snyk.io/vuln/SNYK-JS-ESLINTPLUGINKIT-8340627

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHsnyk

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-1333CWE-770

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