CVE-2021-23509 Prototype Pollution

2021-11-0300:00:00

snyk

www.cve.org

5.6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

9.7 High

AI Score

Confidence

High

0.129 Low

EPSS

Percentile

95.5%

JSON

This affects the package json-ptr before 3.0.0. A type confusion vulnerability can lead to a bypass of CVE-2020-7766 when the user-provided keys used in the pointer parameter are arrays.

CNA Affected

[
  {
    "product": "json-ptr",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "3.0.0",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]