Is CVE-2024-33874 actively exploited?

No active exploitation of CVE-2024-33874 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2024-33874 be exploited remotely?

Yes. CVE-2024-33874 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2024-33874?

CVE-2024-33874 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2024-33874

CWE-120Published: May 14, 2024· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

HDF5 Library through 1.14.3 has a heap buffer overflow in H5O__mtime_new_encode in H5Omtime.c.

NVD Source

Risk Analysis

The HDF5 library contains a heap buffer overflow that can be triggered remotely, potentially leading to arbitrary code execution. The critical CVSS score of 9.8 highlights the severity of this memory corruption issue.

No public exploit is known, and the vulnerability is not in the KEV catalog.

Recommended Action

Update the HDF5 library to the latest version to address memory safety issues.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2024-33874 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.