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    CVE-2017-9557

    register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to discover passwords by sending the username parameter in conjunction with an empty password parameter, and reading the HTML source code of the response.

    Published:Jun 12, 2017
    Last Modified:Apr 20, 2025
    EPS:Jun 12, 2017
    EPSS Score:0.00305
    CVSS Score:7.5

    Affected Products

    Vendor
    Echatserver
    Product
    Easy Chat Server

    Exploits

    https://www.exploit-db.com/exploits/42153/https://www.exploit-db.com/exploits/42153/

    Related CVEs

    CVE-2018-25221 (CVSS 9.3) — EChat Server 3.1 contains a buffer overflow vulnerability in the chat.ghp endpoint that allows remote attacker…
    CVE-2019-25613 (CVSS 8.7) — Easy Chat Server 3.1 contains a denial of service vulnerability that allows remote attackers to crash the appl…
    CVE-2022-44939 (CVSS 7.8) — Efs Software Easy Chat Server Version 3.1 was discovered to contain a DLL hijacking vulnerability via the comp…
    CVE-2019-20502 (CVSS 7.5) — An issue was discovered in EFS Easy Chat Server 3.1. There is a buffer overflow via a long body2.ghp message p…
    CVE-2017-9543 (CVSS 7.5) — register.ghp in EFS Software Easy Chat Server versions 2.0 to 3.1 allows remote attackers to reset arbitrary p…
    CVE-2017-9544 (CVSS 9.8) — There is a remote stack-based buffer overflow (SEH) in register.ghp in EFS Software Easy Chat Server versions …

    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