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CVE-2019-6446

An issue was discovered in NumPy before 1.16.3. It uses the pickle Python module unsafely, which allows remote attackers to execute arbitrary code via a crafted serialized object, as demonstrated b...

Published: Jan 16, 2019Updated: Jul 21, 2025 Sources: CVE List NVD GHSA BDUCWE-502
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
17.1%
Top 3.3%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

Description

Numpy Deserialization of Untrusted Data

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-502

Affected Products

numpyPyPIOSS Libraries
NumPyСообщество свободного программного обеспечения
On-prem
Operating Systems / linux-distro
numpynumpy
Library
OSS Libraries / generic-library
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
n/an/a
pypipackage-ecosystemOSS Libraries
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
numpyoss-projectOSS Librariesaka numpy
fedoraprojectoss-projectUSOperating Systemsaka fedora project

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2019-6446
nvd.nist.gov
https://github.com/numpy/numpy/issues/12759
github.com
https://github.com/numpy/numpy/pull/12889
github.com
and 19 more references View all →

Timeline

Published
Jan 16, 2019
Last Updated
Jul 21, 2025

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