CVE-2021-21384 MEDIUM

CVE-2021-21384: Null characters not escaped in shescape

Vendor Ericcornelissen
Product shescape
Weakness CWE-88
Published March 18, 2021
Last update August 3, 2024

CVSS base score

6.3/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction Required
Confidentiality Low
Integrity High

CVSS vector

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

What the vulnerability does

01Description

shescape is a simple shell escape package for JavaScript. In shescape before version 1.1.3, anyone using _Shescape_ to defend against shell injection may still be vulnerable against shell injection if the attacker manages to insert a into the payload. For an example see the referenced GitHub Security Advisory. The problem has been patched in version 1.1.3. No further changes are required.

Key dates

02Disclosure timeline

March 18, 2021 CVE published
August 3, 2024 Record updated