CVE Feed

    Dashboard / CVE / CVE-2021-20556

    CVE-2021-20556

    IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 could allow a remote user to enumerate usernames due to differentiating error messages on existing usernames. IBM X-Force ID: 199181.

    Published:May 3, 2024
    Last Modified:Jan 7, 2025
    EPS:May 3, 2024
    EPSS Score:0.0005
    CVSS Score:5.3

    Affected Products

    Vendor
    Ibm
    Product
    Cognos Controller

    Exploits

    No exploit reference

    Related CVEs

    CVE-2025-36102 (CVSS 2.7) — IBM Controller 11.1.0 through 11.1.1 and IBM Cognos Controller 11.0.0 through 11.0.1 FP6 could allow a privile…
    CVE-2025-33111 (CVSS 4.3) — IBM Controller 11.1.0 through 11.1.1 and IBM Cognos Controller 11.0.0 through 11.0.1 FP6 is vulnerable to crea…
    CVE-2025-36015 (CVSS 6.5) — IBM Controller 11.1.0 through 11.1.1 and IBM Cognos Controller 11.0.0 through 11.0.1 FP6 could allow an authen…
    CVE-2025-36326 (CVSS 3.7) — IBM Cognos Controller 11.0.0 through 11.0.1, and IBM Controller 11.1.0 through 11.1.1 could allow an attacker …
    CVE-2025-33079 (CVSS 6.5) — IBM Controller 11.0.0, 11.0.1, and 11.1.0 application could allow an authenticated user to obtain sensitive cr…
    CVE-2022-39163 (CVSS 4.7) — IBM Cognos Controller 11.0.0 through 11.1.0 is vulnerable to a Client-Side Desync (CSD) attack where an attack…
    CVE-2023-47160 (CVSS 8.2) — IBM Cognos Controller 11.0.0 through 11.0.1 FP3 and IBM Controller 11.1.0 is vulnerable to an XML Extern…
    CVE-2024-28777 (CVSS 8.8) — IBM Cognos Controller 11.0.0 through 11.0.1 FP3 and IBM Controller 11.1.0 is vulnerable to unrestricted de…
    CVE-2024-28776 (CVSS 5.4) — IBM Cognos Controller 11.0.0 through 11.0.1 FP3 and IBM Controller 11.1.0 is vulnerable to cross-site script…
    CVE-2024-28780 (CVSS 5.9) — IBM Cognos Controller 11.0.0 through 11.0.1 FP3 and IBM Controller 11.1.0 Rich Client  uses weaker than e…

    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