CVE-2021-45830
MEDIUMCVSS 5.5/10EPSS 0.70%
Last modified
CVE-2021-45830 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Hdfgroup | Hdf5 | 1.13.1-1 |
References
- https://github.com/HDFGroup/hdf5/issues/1314Exploit, Issue Tracking, Third Party Advisory
- https://github.com/HDFGroup/hdf5/issues/1314Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-45830?
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.
How severe is CVE-2021-45830?
CVE-2021-45830 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.
How do I fix CVE-2021-45830?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-45830?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST