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    CVE-2021-28579

    Adobe Connect version 11.2.1 (and earlier) is affected by an Improper access control vulnerability that can lead to the elevation of privileges. An attacker with 'Learner' permissions can leverage this scenario to access the list of event participants.

    Published:Jun 28, 2021
    Last Modified:Apr 23, 2025
    EPS:Jun 28, 2021
    EPSS Score:0.00319
    CVSS Score:4.3

    Affected Products

    Vendor
    Adobe
    Product
    Connect

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

    CVE-2026-27303 (CVSS 9.6) — Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerabi…
    CVE-2026-34617 (CVSS 8.7) — Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Cross-Site Scripting (XSS) vulnerability th…
    CVE-2026-21331 (CVSS 6.1) — Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulner…
    CVE-2026-27246 (CVSS 9.3) — Adobe Connect versions 2025.3, 12.10 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulner…
    CVE-2026-34614 (CVSS 6.1) — Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulner…
    CVE-2026-27245 (CVSS 9.3) — Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulner…
    CVE-2026-34615 (CVSS 9.3) — Adobe Connect versions 2025.3, 12.10 and earlier are affected by a Deserialization of Untrusted Data vulnerabi…
    CVE-2026-27243 (CVSS 9.3) — Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulner…
    CVE-2025-49552 (CVSS 8.1) — Adobe Connect versions 12.9 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability t…
    CVE-2025-49553 (CVSS 9.3) — Adobe Connect versions 12.9 and earlier are affected by a DOM-based Cross-Site Scripting (XSS) vulnerability t…

    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