AUGUST 4, 2026
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Case File

CVE-2021-45830

MEDIUM · CVSS 5.5 EPSS 0.70% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-01-05 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-45830
Severity
MEDIUM
CVSS
5.5
EPSS
0.70%
F5

Original NVD Description

A heap-based buffer overflow vulnerability exists in HDF5 1.13.1-1 via H5F_addr_decode_len in /hdf5/src/H5Fint.c, which could cause a Denial of Service.