Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 53.3%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2017-9557
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cpe:2.3:a:echatserver:easy_chat_server:2.0
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cpe:2.3:a:echatserver:easy_chat_server:2.1
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cpe:2.3:a:echatserver:easy_chat_server:2.2
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cpe:2.3:a:echatserver:easy_chat_server:2.5
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cpe:2.3:a:echatserver:easy_chat_server:3.0
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cpe:2.3:a:echatserver:easy_chat_server:3.1