CVE-2021-23771 Sandbox Bypass

2022-03-1711:20:35

snyk

www.cve.org

security vulnerability

sandbox bypass

prototype pollution

incomplete fix

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

30.3%

JSON

This affects all versions of package notevil; all versions of package argencoders-notevil. It is vulnerable to Sandbox Escape leading to Prototype pollution. The package fails to restrict access to the main context, allowing an attacker to add or modify an object’s prototype. Note: This vulnerability derives from an incomplete fix in SNYK-JS-NOTEVIL-608878.

CNA Affected

[
  {
    "product": "notevil",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  },
  {
    "product": "argencoders-notevil",
    "vendor": "n/a",
    "versions": [
      {
        "lessThan": "unspecified",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]