Buffer Overflow Vulnerability in HCL Notes Due to Input Validation Flaw
CVE-2020-4102

6.7MEDIUM

Key Information:

Vendor
HCL Software
Status
Hcl Notes
Vendor
CVE Published:
2 December 2020

Summary

HCL Notes is vulnerable to a buffer overflow issue in its DXL component, stemming from inadequate validation of user input. This weakness allows a malicious actor to potentially crash the application or execute arbitrary code on the client system, thereby compromising the security and integrity of user data. Organizations using HCL Notes should take immediate steps to evaluate their systems and apply necessary updates to safeguard against potential exploits.

Affected Version(s)

HCL Notes v9

HCL Notes v10

HCL Notes v11

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_a...
x_refsource_MISC

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.