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    CVE-2023-28845

    Nextcloud talk is a video & audio conferencing app for Nextcloud. In affected versions the talk app does not properly filter access to a conversations member list. As a result an attacker could use this vulnerability to gain information about the members of a Talk conversation, even if they themselves are not members. It is recommended that the Nextcloud Talk is upgraded to 14.0.9 or 15.0.4. There are no known workarounds for this vulnerability.

    Published:Mar 31, 2023
    Last Modified:Feb 11, 2025
    EPS:Mar 31, 2023
    EPSS Score:0.00258
    CVSS Score:3.5

    Affected Products

    Vendor
    Nextcloud
    Product
    Talk

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

    CVE-2025-66556 (CVSS 3.5) — Nextcloud talk is a video & audio conferencing app for Nextcloud. Prior to 20.1.8 and 21.1.2, a participant wi…
    CVE-2023-45149 (CVSS 4.3) — Nextcloud talk is a chat module for the Nextcloud server platform. In affected versions brute force protection…
    CVE-2023-39957 (CVSS 7.8) — Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android. Prior to vers…
    CVE-2023-30540 (CVSS 3.5) — Nextcloud Talk is a chat, video & audio call extension for Nextcloud. In affected versions a user that was add…
    CVE-2023-22473 (CVSS 2.1) — Talk-Android enables users to have video & audio calls through Nextcloud on Android. Due to passcode bypass, a…
    CVE-2022-41926 (CVSS 3.3) — Nextcould talk android is the android OS implementation of the nextcloud talk chat system. In affected version…
    CVE-2022-39212 (CVSS 4.3) — Nextcloud Talk is an open source chat, video & audio calls client for the Nextcloud platform. In affected vers…
    CVE-2022-35932 (CVSS 3.5) — Nextcloud Talk is a video and audio conferencing app for Nextcloud. Prior to versions 12.2.7, 13.0.7, and 14.0…
    CVE-2022-24890 (CVSS 2.4) — Nextcloud Talk is a video and audio conferencing app for Nextcloud. In versions prior to 13.0.5 and 14.0.0, a …
    CVE-2022-24887 (CVSS 4.3) — Nextcloud Talk is a video and audio conferencing app for Nextcloud, a self-hosted productivity platform. Prior…

    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