CVE-2021-27772

HCL Sametime is vulnerable to an information disclosure

Description

Users are able to read group conversations without actively taking part in them. Next to one to one conversations, users are able to start group conversations with multiple users. It was found possible to obtain the contents of these group conversations without being part of it. This could lead to information leakage where confidential information discussed in private groups is read by other users without the users knowledge.

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.25%
Vendor Advisory hcltechsw.com
Affected: HCL Software Sametime
Published at:
Updated at:

References

Link Tags
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-27772?
CVE-2021-27772 has been scored as a high severity vulnerability.
How to fix CVE-2021-27772?
To fix CVE-2021-27772, 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-2021-27772 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27772 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-2021-27772?
CVE-2021-27772 affects HCL Software Sametime.
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