CVSS v3
9.1
CRITICAL
EPSS Score
85.9%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
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.
Active exploitation of CVE-2021-28918 has not been confirmed. The EPSS score is 85.9%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2021-28918 has a CVSS v3 base score of 9.1 (CRITICAL severity).
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Ranked by exploit probability (EPSS).