CVE-2021-23329 Prototype Pollution

2021-01-3115:25:14

snyk

www.cve.org

cve-2021-23329

prototype pollution

default function

poc

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

EPSS

0.001

Percentile

41.8%

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.

CNA Affected

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