CVEvulnerability

CVE-2021-29418

5.3 MEDIUM Published 2021-03-30 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-03-30
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
Weaknesses
CWE-20

Description

The netmask package before 2.0.1 for Node.js mishandles certain unexpected characters in an IP address string, such as an octal digit of 9. This (in some situations) allows attackers to bypass access control that is based on IP addresses. NOTE: this issue exists because of an incomplete fix for CVE-2021-28918.

Affected configurations

• netmask project netmask (< 2.0.1)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References