What is CVE-2020-18494?

CVE-2020-18494 is a high-severity vulnerability in Hdfgroup Hdf5, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2023-08-22.

How severe is CVE-2020-18494?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Hdfgroup Hdf5

CVE-2020-18494

Buffer Overflow vulnerability in function H5S_close in H5S.c in HDF5 1.10.4 allows remote attackers to run arbitrary code via creation of crafted file.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (53.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Hdfgroup Hdf5 — versions 1.10.4
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2020-18494?: CVE-2020-18494 is a high-severity vulnerability in Hdfgroup Hdf5, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2023-08-22.
How severe is CVE-2020-18494?: High severity. CVSS v3 base score is 8.8 out of 10.