CVE-2016-20045

HIGH 8.4

HNB Organizer 1.9.18-10 Local Buffer Overflow via -rc Parameter

CVSS Score

8.4

EPSS Score

0.0%

EPSS Percentile

2th

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 exceeding 108 bytes containing shellcode and a return address to overwrite the stack and achieve code execution.

CWE	CWE-787
Vendor	hnb
Product	hnb
Published	Mar 28, 2026
Last Updated	Mar 30, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

hnb / HNB

1.9.18-10

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/40025 hnb.sourceforge.net: http://hnb.sourceforge.net/ vulncheck.com: https://www.vulncheck.com/advisories/hnb-organizer-10-local-buffer-overflow-via-rc-parameter

Credits

Juan Sacco - http://www.exploitpack.com - [email protected]