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    CVE-2026-21791

    HCL Sametime for Android is impacted by a sensitive information disclosure. Hostnames information is written in application logs and certain URL

    Published:Mar 10, 2026
    Last Modified:May 7, 2026
    EPS:Mar 10, 2026
    EPSS Score:0.00015
    CVSS Score:3.3

    Affected Products

    Vendor
    Hcltech
    Product
    Sametime

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-215 Fuzzing for application mapping

    Related CVEs

    CVE-2025-62320 (CVSS 4.7) — HTML Injection can be carried out in Product when a web application does not properly check or clean user inpu…
    CVE-2025-31966 (CVSS 2.7) — HCL Sametime is vulnerable to broken server-side validation. While the application performs client-side input …
    CVE-2026-21786 (CVSS 3.3) — HCL Sametime for iOS is impacted by a sensitive information disclosure. Hostnames information is written in a…
    CVE-2023-50355 (CVSS 3.6) — HCL Sametime is impacted by the error messages containing sensitive information. An attacker can use this inf…
    CVE-2024-30124 (CVSS 4) — HCL Sametime is impacted by insecure services in-use on the UIM client by default. An unused legacy REST servi…
    CVE-2024-30122 (CVSS 5.8) — HCL Sametime is impacted by misconfigured security related HTTP headers. It was identified that some HTTP head…
    CVE-2023-37540 (CVSS 3.9) — Sametime Connect desktop chat client includes, but does not use or require, the use of an Eclipse feature call…
    CVE-2023-45696 (CVSS 4) — Sametime is impacted by sensitive fields with autocomplete enabled in the Legacy web chat client. By default, …
    CVE-2023-45718 (CVSS 3.9) — Sametime is impacted by a failure to invalidate sessions. The application is setting sensitive cookie values …
    CVE-2023-45716 (CVSS 1.7) — Sametime is impacted by sensitive information passed in URL. …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High