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CVE-2021-27760 Details

Description

An issue was discovered in the Sametime chat feature in the Notes 11.0 - 11.0.1 FP4 clients. An authenticated Sametime chat user could cause Remote Code Execution on another chat client by sending a specially formatted message through chat containing Javascript code.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L

CNA: [email protected]CVSS-B:4.6 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097670	CVE	Third Party Advisory
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097670	[email protected]	Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
hcltech hcl inotes	11.0.0 11.0.1 - 11.0.1 fixpack1 11.0.1 fixpack2 11.0.1 fixpack3
CPE cpe:2.3:a:hcltech:hcl_inotes:11.0.0:::::::* cpe:2.3:a:hcltech:hcl_inotes:11.0.1:-:::::: cpe:2.3:a:hcltech:hcl_inotes:11.0.1:fixpack1:::::: cpe:2.3:a:hcltech:hcl_inotes:11.0.1:fixpack2:::::: cpe:2.3:a:hcltech:hcl_inotes:11.0.1:fixpack3:::::: cpe:2.3:a:hcltech:hcl_inotes:11.0.1:fixpack4:::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jul 29, 2022	Reanalysis	[email protected]
May 17, 2022	Initial Analysis	[email protected]