Cyber Resilience

CVE-2021-27773

Medium

Published: 12 May 2022

Published
12 May 2022
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 4.2 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS Score 0.0014 34.7th percentile
Risk Priority 8 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-27773 is a medium-severity User Interface (UI) Misrepresentation of Critical Information (CWE-451) vulnerability in Hcltech Sametime. Its CVSS base score is 4.2 (Medium).

Operationally, ranked at the 34.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

This vulnerability allows users to execute a clickjacking attack in the meeting's chat.

CWE(s)
CWE-451CWE-1021

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

hcltech
sametime
11.6

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References