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SnykCVE-2021-23364

HistoryApr 28, 2021 - 4:15 p.m.

CVE-2021-23364

2021-04-2816:15:08

CWE-1333

snyk

web.nvd.nist.gov

cve-2021-23364

browserslist

regular expression denial of service

redos

vulnerability

nvd

security

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

5.4

Confidence

High

EPSS

0.002

Percentile

57.5%

JSON

The package browserslist from 4.0.0 and before 4.16.5 are vulnerable to Regular Expression Denial of Service (ReDoS) during parsing of queries.

Affected configurations

Nvd

Node

browserslist_projectbrowserslistRange4.0.0–4.16.5node.js

VendorProductVersionCPE
browserslist_projectbrowserslist*cpe:2.3:a:browserslist_project:browserslist:*:*:*:*:*:node.js:*:*

Vendor	Product	Version	CPE
browserslist_project	browserslist	*	cpe:2.3:a:browserslist_project:browserslist::::::node.js::*

CNA Affected

[
  {
    "product": "browserslist",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "4.0.0",
        "versionType": "custom"
      },
      {
        "lessThan": "4.16.5",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]