CVE-2019-16776

Unauthorized File Access in npm CLI before before version 6.13.3

HIGH
8.1
CVSS Score
Published: December 13, 2019 at 12:55 AM UTC
Updated: June 17, 2026 at 02:22 AM UTC
7 products affected across 6 vendorsFedoraEnterprise LinuxLeap

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Severity
HIGH8.1
Exploit prediction
EPSS 3%

Description

Versions of the npm CLI prior to 6.13.3 are vulnerable to an Arbitrary File Write. It fails to prevent access to folders outside of the intended node_modules folder through the bin field. A properly constructed entry in the package.json bin field would allow a package publisher to modify and/or gain access to arbitrary files on a user's system when the package is installed. This behavior is still possible through install scripts. This vulnerability bypasses a user using the --ignore-scripts install option.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 6.13.3
Affected range stops below 6.13.3, so it looks safe — our inference, not a vendor statement
< 6.13.3 ≤ v < 6.13.3< 6.13.3
Affected range stops below 6.13.3, so it looks safe — our inference, not a vendor statement

References (10)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00027.html
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHEA-2020:0330
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2020:0573
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2020:0579
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2020:0597
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2020:0602

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-22

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