Vulnerability Details : CVE-2020-4102
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.
Vulnerability category: Overflow
Products affected by CVE-2020-4102
- cpe:2.3:a:hcltech:notes:*:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
- cpe:2.3:a:hcltech:notes:11.0:*:*:*:*:*:*:*
- 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:11.0.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-4102
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-4102
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
6.7
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
NIST |
CWE ids for CVE-2020-4102
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-4102
-
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085499
%short_descr - Customer SupportVendor Advisory
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