CVE-2021-28918

Published April 1st, 2021

View on NVD ↗

CVSS v3

9.1

CRITICAL

CVSS v2

6.4

MEDIUM

Affected

PROJECTS

Description

Improper input validation of octal strings in netmask npm package v1.0.6 and below allows unauthenticated remote attackers to perform indeterminate SSRF, RFI, and LFI attacks on many of the dependent packages. A remote unauthenticated attacker can bypass packages relying on netmask to filter IPs and reach critical VPN or LAN hosts.

netmask

Parse and lookup IP network blocks

NPM

rs/node-netmask

Parse and lookup IP network blocks

GitHub

253

sickcodes/security

Collection of CVEs from Sick Codes, or collaborations on https://sick.codes security research & advisories.

GitHub