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TI-2021-09169 Aliases CVE-2021-27773GHSA-rrwg-382g-w6j8

HCL Sametime is vulnerable to clickjacking

Priority LOW 20CWE-451Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-451.

Summary

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

Why it matters now

EPSS 0.00469 40th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
HCL SoftwareSametime11.6—No fix listedCNA
  • Sametime VendorHCL Software Affected 11.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:hcltech:sametime:11.6:*:*:*:*:*:*:*11.6VulnerableHCL Software
  • cpe:2.3:a:hcltech:sametime:11.6:*:*:*:*:*:*:* Versions 11.6 Vulnerable ·HCL Software

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27773
  2. 2026-10-03 Alias added: GHSA-rrwg-382g-w6j8

References

Advisory 1

  • TI-2021-09166 HCL Sametime is vulnerable to arbitrary HTTP requests CVSS 3.1HIGH 8.8
  • TI-2023-27540 HCL Sametime is impacted by a Cross Site Request Forgery (CSRF) vulnerability CVSS 3.1HIGH 8.8
  • TI-2021-09167 HCL Sametime is susceptible a file transfer service vulnerability CVSS 3.1HIGH 8.2
  • TI-2022-20647 HCL Sametime 12.0 and 12.0FP1 anonymous users have directory lookup access CVSS 3.1MEDIUM 6.5
  • TI-2023-24501 HCL Sametime is impacted by a failure to invalidate sessions CVSS 3.1HIGH 7.5
  • TI-2023-24490 HCL Sametime is impacted by an autocomplete enabled vulnerability CVSS 3.1HIGH 7.5
See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences