CVE-2021-27773

4.3 mediumEPSS 0.5%

Medium (4.3) in hcltech sametime. EPSS 0.5% chance of exploitation in the next 30 days.

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

Severity

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-31)
CWEs: CWE-1021, CWE-451
Published: 2022-05-12
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19