Medium (4.0) in hcltech sametime. EPSS 0.2% chance of exploitation in the next 30 days.
HCL Sametime is impacted by insecure services in-use on the UIM client by default. An unused legacy REST service was enabled by default using the HTTP protocol. An attacker could potentially use this service endpoint maliciously.
Severity
CVSS 3.1
4.0 medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-31)