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SnykCVE-2020-7754

HistoryOct 27, 2020 - 3:15 p.m.

CVE-2020-7754

2020-10-2715:15:13

snyk

web.nvd.nist.gov

cve-2020-7754

npm

user validation

regex

security vulnerability

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

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.3

Confidence

High

EPSS

0.004

Percentile

72.6%

JSON

This affects the package npm-user-validate before 1.0.1. The regex that validates user emails took exponentially longer to process long input strings beginning with @ characters.

Affected configurations

Nvd

Node

npmjsnpm-user-validateRange<1.0.1node.js

VendorProductVersionCPE
npmjsnpm-user-validate*cpe:2.3:a:npmjs:npm-user-validate:*:*:*:*:*:node.js:*:*

Vendor	Product	Version	CPE
npmjs	npm-user-validate	*	cpe:2.3:a:npmjs:npm-user-validate::::::node.js::*

CNA Affected

[
  {
    "product": "npm-user-validate",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "1.0.1",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]