Is CVE-2021-46244 in the CISA KEV catalog?

No. CVE-2021-46244 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-46244?

CVE-2021-46244 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2021-46244?

CVE-2021-46244 has an EPSS score of 0.96% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-46244?

Upgrade hdf5 on debian 13 to 1.14.5+repack-1 or later.

CVE & CISA-KEV Catalog

CVE-2021-46244

MEDIUM

6.5

CVSS v3

NVD

Description

A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c. This vulnerability causes an aritmetic exception, leading to a Denial of Service (DoS).

CWE-369

How to fix

Remediation Available

hdf5Debian

Fixed in:1.14.5+repack-1CVE-2021-46244

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.96%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Exploit1

github.com

Related Vulnerabilities

Other CWE-369 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2012-0207	High	7.5	20%	-	Fix
CVE-2017-8537	Medium	5.5	17%	-	-
CVE-2017-8536	Medium	5.5	17%	-	-
CVE-2017-8535	Medium	5.5	17%	-	-
CVE-2007-2237	Medium	5.5	15%	-	-
CVE-2025-0317	High	7.5	13%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.