What is CVE-2021-41495?

CVE-2021-41495 is a medium-severity vulnerability in Numpy, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2021-12-17.

How severe is CVE-2021-41495?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2021-41495 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

NULL pointer dereference in Numpy

CVE-2021-41495

Null Pointer Dereference vulnerability exists in numpy.sort in NumPy &lt and 1.19 in the PyArray_DescrNew function due to missing return-value validation, which allows attackers to conduct DoS attacks by repetitively creating sort arrays…

EPSS: 0.012 (63.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Numpy
N/a — versions n/a

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2021-41495?: CVE-2021-41495 is a medium-severity vulnerability in Numpy, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2021-12-17.
How severe is CVE-2021-41495?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2021-41495 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.