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    CVE-2023-28018

    HCL Connections is vulnerable to a denial of service, caused by improper validation on certain requests. Using a specially-crafted request an attacker could exploit this vulnerability to cause denial of service for affected users.

    Published:Feb 12, 2024
    Last Modified:Mar 13, 2025
    EPS:Feb 12, 2024
    EPSS Score:0.00046
    CVSS Score:5.5

    Affected Products

    Vendor
    Hcltech
    Product
    Connections

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-21827 (CVSS 3.1) — HCL Connections is vulnerable to an information disclosure vulnerability which could allow a user to obtain se…
    CVE-2025-62341 (CVSS 3.7) — HCL Connections is vulnerable to server-side request forgery (SSRF) when an internal server is compromised pos…
    CVE-2026-56538 (CVSS 3.5) — An endpoint in HCL Connections is vulnerable to information disclosure. In certain scenarios this might lead t…
    CVE-2026-56537 (CVSS 3.5) — HCL Connections is vulnerable to information disclosure which could allow a user to obtain sensitive informati…
    CVE-2025-15619 (CVSS 3.5) — HCL Connections contains a broken access control vulnerability that may allow an unauthorized user to view dat…
    CVE-2026-21789 (CVSS 4.6) — HCL Connections contains a broken access control vulnerability that may allow unauthorized user to update data…
    CVE-2026-21788 (CVSS 5.4) — HCL Connections is vulnerable to a cross-site scripting attack where an attacker may leverage this issue to ex…
    CVE-2025-52603 (CVSS 3.5) — HCL Connections is vulnerable to information disclosure. In a very specific user navigation scenario, this co…
    CVE-2025-52639 (CVSS 3.5) — HCL Connections is vulnerable to a sensitive information disclosure vulnerability which could allow a user to …
    CVE-2025-31961 (CVSS 3.7) — HCL Connections contains a broken access control vulnerability that may allow unauthorized user to update data…

    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