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CVE-2021-28918

CVE-2021-28918

23Vexday Risk Score

Patch soon. It has a working public exploit.

ssvc Attendepss 17%
exploitation probability
17%top 3% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
n/a · n/a
References
https://github.com/advisories/GHSA-pch5-whg9-qr2rhttps://github.com/rs/node-netmaskhttps://github.com/sickcodes/security/blob/master/advisories/SICK-2021-011.mdhttps://rootdaemon.com/2021/03/29/vulnerability-in-netmask-npm-package-affects-280000-projects/https://security.netapp.com/advisory/ntap-20210528-0010/https://www.bleepingcomputer.com/news/security/critical-netmask-networking-bug-impacts-thousands-of-applications/https://www.npmjs.com/package/netmask