CVE-2016-20045 HIGH

CVE-2016-20045: HNB Organizer 1.9.18-10 Local Buffer Overflow via -rc Parameter

Vendor Hnb
Product HNB
Weakness CWE-787
Published March 28, 2026
Last update March 30, 2026

CVSS base score

8.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 28, 2026 CVE published
March 30, 2026 Record updated