Medium severity · published Jan 21, 2022
CVE-2021-46244
A Divide By Zero vulnerability exists in HDF5 v1.13.1-1 vis the function H5T__complete_copy () at /hdf5/src/H5T.c
6.5
CVSS
1%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HD
Hdf5 · Hdfgroup
1.13.1-1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-46244
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-46244
Exploit
https://github.com/HDFGroup/hdf5/issues/1327
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