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[email protected]CVE-2021-23329

HistoryJan 31, 2021 - 4:15 p.m.

CVE-2021-23329

2021-01-3116:15:12

CWE-1321

[email protected]

web.nvd.nist.gov

cve-2021-23329

prototype pollution

nested-object-assign

security vulnerability

nvd

5 Medium

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

7.5 High

CVSS3

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

0.001 Low

EPSS

Percentile

41.9%

JSON

The package nested-object-assign before 1.0.4 are vulnerable to Prototype Pollution via the default function, as demonstrated by running the PoC below.

Affected configurations

NVD

Node

getadigitalnested-object-assignRange<1.0.4node.js

CPENameOperatorVersion
getadigital:nested-object-assigngetadigital nested-object-assignlt1.0.4

CPE	Name	Operator	Version
getadigital:nested-object-assign	getadigital nested-object-assign	lt	1.0.4

CNA Affected

[
  {
    "product": "nested-object-assign",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "1.0.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]