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    CVE-2021-27771

    User SID can be modified resulting in an Arbitrary File Upload or deletion of directories causing a Denial of Service. When interacting in a normal matter with the Sametime chat application, users hold a cookie containing their session ID (SID). This value is also used when sending chat messages, receiving notifications and/or transferring files.

    Published:May 12, 2022
    Last Modified:Nov 21, 2024
    EPS:May 12, 2022
    EPSS Score:0.00304
    CVSS Score:8.2

    Affected Products

    Vendor
    Hcltech
    Product
    Sametime

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-21791 (CVSS 3.3) — HCL Sametime for Android is impacted by a sensitive information disclosure. Hostnames information is written …
    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 …

    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