CVE-2021-27760

HCL Notes 11.0 - 11.0.1 FP4 Sametime Embedded chat clients are vulnerable to group chats loading script on restart

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.

Category

4.6
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.47%
Third-Party Advisory hcltechsw.com
Affected: HCL Software HCL Notes
Published at:
Updated at:

References

Link Tags
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097670 third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27760?
CVE-2021-27760 has been scored as a medium severity vulnerability.
How to fix CVE-2021-27760?
To fix CVE-2021-27760, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27760 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27760 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27760?
CVE-2021-27760 affects HCL Software HCL Notes.
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