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Medium severity6.7NVD Advisory· Published Dec 2, 2020· Updated Jun 17, 2026

CVE-2020-4102

CVE-2020-4102

Description

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 products

12
  • HCLTech/Notes10 versions
    cpe:2.3:a:hcltech:notes:*:*:*:*:*:*:*:*+ 9 more
    • cpe:2.3:a:hcltech:notes:*:*:*:*:*:*:*:*range: >=9.0.0,<=9.0.1
    • cpe:2.3:a:hcltech:notes:10.0.1:-:*:*:*:*:*:*
    • cpe:2.3:a:hcltech:notes:10.0.1:fp1:*:*:*:*:*:*
    • cpe:2.3:a:hcltech:notes:10.0.1:fp2:*:*:*:*:*:*
    • cpe:2.3:a:hcltech:notes:10.0.1:fp3:*:*:*:*:*:*
    • cpe:2.3:a:hcltech:notes:10.0.1:fp4:*:*:*:*:*:*
    • cpe:2.3:a:hcltech:notes:10.0.1:fp5:*:*:*:*:*:*
    • cpe:2.3:a:hcltech:notes:10.0:*:*:*:*:*:*:*
    • cpe:2.3:a:hcltech:notes:11.0.1:*:*:*:*:*:*:*
    • cpe:2.3:a:hcltech:notes:11.0:*:*:*:*:*:*:*
  • HCL/Notesdescription
  • HCL Software/Notesllm-create

Patches

Vulnerability mechanics

References

1

News mentions

0

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