What is CVE-2016-20045?

CVE-2016-20045 is a high-severity vulnerability in Hnb, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-28.

How severe is CVE-2016-20045?

High severity. CVSS v3 base score is 8.4 out of 10.

Buffer overflow in Hnb

CVE-2016-20045

HNB Organizer 1.9.18-10 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the -rc command-line parameter. Attackers can craft a malicious input string…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (5.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Hnb — versions 1.9.18-10

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

ExploitDB-40025 (exploit)
Official Product Homepage (product)
VulnCheck Advisory: HNB Organizer 1.9.18-10 Local Buffer Overflow via -rc Parameter (third-party-advisory)

Frequently asked questions

What is CVE-2016-20045?: CVE-2016-20045 is a high-severity vulnerability in Hnb, classified under Out-of-bounds Write. CVSS score: 8.4/10. Published 2026-03-28.
How severe is CVE-2016-20045?: High severity. CVSS v3 base score is 8.4 out of 10.