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[email protected]CVE-2021-23406

HistoryAug 24, 2021 - 8:15 a.m.

CVE-2021-23406

2021-08-2408:15:18

[email protected]

web.nvd.nist.gov

cve-2021-23406

pac-resolver

vulnerability

unsafe handling

nvd

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

74.7%

JSON

This affects the package pac-resolver before 5.0.0. This can occur when used with untrusted input, due to unsafe PAC file handling. NOTE: The fix for this vulnerability is applied in the node-degenerator library, a dependency written by the same maintainer.

Affected configurations

NVD

Node

pac-resolver_projectpac-resolverRange<5.0.0node.js

CPENameOperatorVersion
pac-resolver_project:pac-resolverpac-resolver project pac-resolverlt5.0.0

CPE	Name	Operator	Version
pac-resolver_project:pac-resolver	pac-resolver project pac-resolver	lt	5.0.0

CNA Affected

[
  {
    "product": "pac-resolver",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "5.0.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]