CVE-2020-4102: Buffer Overflow
HCL Notes is susceptible to a Buffer Overflow vulnerability in DXL due to improper validation of user input. A successful exploit could enable an attacker to crash Notes or execute attacker-controlled code on the client system.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2020-4102?
CVE-2020-4102 has a high severity due to its potential to allow code execution and crashing of HCL Notes.
How do I fix CVE-2020-4102?
To fix CVE-2020-4102, upgrade to a patched version of HCL Notes as provided by HCL.
What versions of HCL Notes are affected by CVE-2020-4102?
CVE-2020-4102 affects HCL Notes versions from 9.0.0 to 10.0.1 and various 10.0.1 fix packs and newer versions through 11.0.1.
Can CVE-2020-4102 be exploited remotely?
Yes, CVE-2020-4102 can be exploited remotely by an attacker to execute arbitrary code.
What are the consequences of a successful exploit of CVE-2020-4102?
A successful exploit of CVE-2020-4102 could crash HCL Notes or allow an attacker to run malicious code on the client system.