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Vulnerability Details :

CVE-2020-4102

Summary
Assigner-HCL
Assigner Org ID-1e47fe04-f25f-42fa-b674-36de2c5e3cfc
Published At-02 Dec, 2020 | 00:56
Updated At-04 Aug, 2024 | 07:52
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:HCL
Assigner Org ID:1e47fe04-f25f-42fa-b674-36de2c5e3cfc
Published At:02 Dec, 2020 | 00:56
Updated At:04 Aug, 2024 | 07:52
Rejected At:
▼CVE Numbering Authority (CNA)

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
Vendor
n/a
Product
HCL Notes
Versions
Affected
  • v9
  • v10
  • v11
Problem Types
TypeCWE IDDescription
textN/A"Buffer overflow"
Type: text
CWE ID: N/A
Description: "Buffer overflow"
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085499
x_refsource_MISC
Hyperlink: https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085499
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085499
x_refsource_MISC
x_transferred
Hyperlink: https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085499
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:psirt@hcl.com
Published At:02 Dec, 2020 | 01:15
Updated At:04 Dec, 2020 | 21:43

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.7MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary2.07.2HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
Type: Primary
Version: 3.1
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 7.2
Base severity: HIGH
Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CPE Matches
HCL Technologies Ltd.
hcltech
>>notes>>Versions from 9.0.0(inclusive) to 9.0.1(inclusive)
cpe:2.3:a:hcltech:notes:*:*:*:*:*:*:*:*
HCL Technologies Ltd.
hcltech
>>notes>>10.0
cpe:2.3:a:hcltech:notes:10.0:*:*:*:*:*:*:*
HCL Technologies Ltd.
hcltech
>>notes>>10.0.1
cpe:2.3:a:hcltech:notes:10.0.1:-:*:*:*:*:*:*
HCL Technologies Ltd.
hcltech
>>notes>>10.0.1
cpe:2.3:a:hcltech:notes:10.0.1:fp1:*:*:*:*:*:*
HCL Technologies Ltd.
hcltech
>>notes>>10.0.1
cpe:2.3:a:hcltech:notes:10.0.1:fp2:*:*:*:*:*:*
HCL Technologies Ltd.
hcltech
>>notes>>10.0.1
cpe:2.3:a:hcltech:notes:10.0.1:fp3:*:*:*:*:*:*
HCL Technologies Ltd.
hcltech
>>notes>>10.0.1
cpe:2.3:a:hcltech:notes:10.0.1:fp4:*:*:*:*:*:*
HCL Technologies Ltd.
hcltech
>>notes>>10.0.1
cpe:2.3:a:hcltech:notes:10.0.1:fp5:*:*:*:*:*:*
HCL Technologies Ltd.
hcltech
>>notes>>11.0
cpe:2.3:a:hcltech:notes:11.0:*:*:*:*:*:*:*
HCL Technologies Ltd.
hcltech
>>notes>>11.0.1
cpe:2.3:a:hcltech:notes:11.0.1:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-120Primarynvd@nist.gov
CWE ID: CWE-120
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085499psirt@hcl.com
Vendor Advisory
Hyperlink: https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0085499
Source: psirt@hcl.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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EPSS-0.04% / 10.81%
||
7 Day CHG~0.00%
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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CWE ID-CWE-120
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Matching Score-4
Assigner-MITRE Corporation
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Matching Score-4
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.09% / 26.74%
||
7 Day CHG~0.00%
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Updated-20 Apr, 2025 | 01:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-n/aCanonical Ltd.Linux Kernel Organization, Inc
Product-linux_kernelubuntu_linuxn/a
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
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