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cveMitreCVE-2021-28918
HistoryApr 01, 2021 - 1:15 p.m.

CVE-2021-28918

2021-04-0113:15:14
CWE-704
mitre
web.nvd.nist.gov
95
9
cve-2021-28918
input validation
octal strings
netmask npm
ssrf
rfi
lfi
unauthenticated remote attackers
vpn
lan

CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7

Confidence

High

EPSS

0.08

Percentile

94.4%

JSON

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 configurations

Nvd
Node
netmask_projectnetmaskRange≤1.0.6node.js
VendorProductVersionCPE
netmask_projectnetmask*cpe:2.3:a:netmask_project:netmask:*:*:*:*:*:node.js:*:*

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CVSS2

6.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

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

AI Score

7

Confidence

High

EPSS

0.08

Percentile

94.4%

JSON
Related for CVE-2021-28918
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