CVE-2021-41496
5.5 · MEDIUMOverview
CVE-2021-41496 is a medium-severity vulnerability affecting numpy numpy. It was published on December 17, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Buffer overflow in the array_from_pyobj function of fortranobject.c in NumPy < 1.19, which allows attackers to conduct a Denial of Service attacks by carefully constructing an array with negative values. NOTE: The vendor does not agree this is a vulnerability; the negative dimensions can only be created by an already privileged user (or internally)
Remediation
Check the references section for vendor advisories and patches from numpy. Update numpy to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| numpy | numpy | >= 0, < 1.19.0 | Affected |
Frequently Asked Questions
What is CVE-2021-41496?
CVE-2021-41496 is a medium-severity vulnerability affecting numpy numpy. It was published on December 17, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2021-41496?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-41496?
Check the references section for vendor advisories and patches from numpy. Update numpy to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-41496?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-41496 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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