HCL Sametime is impacted by clickjacking

published 2024-02-10 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-49987

cvss: 4.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits: 0; none known

Sametime is impacted by lack of clickjacking protection in Outlook add-in. The application is not implementing appropriate protections in order to protect users from clickjacking attacks.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-07-17)

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.8	CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

HCL Software HCL Sametime

Classification

Weakness

CWE-1021 Improper Restriction of Rendered UI Layers or Frames

References

support.hcltechsw.com /csm?id=kb_article&sysparm_article=KB0109082
vendor-advisory

Sources

CVE List CVE-2023-45698
NVD CVE-2023-45698

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary