CVE-2021-27760

5.5 mediumEPSS 0.7%

Medium (5.5) in hcltech hcl inotes. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2022-05-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

hcltech:hcl_inotes

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097670
https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097670

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