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HIGH · 7.5

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 r...

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
EchatserverEasy Chat Server>= 2.0, <= 3.1

Related Weaknesses (CWE)

CWE-522

References

FAQ

What is CVE-2017-9557?

CVE-2017-9557 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 r...

How severe is CVE-2017-9557?

CVE-2017-9557 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-9557?

Check the references section above for vendor advisories and patch information. Affected products include: Echatserver Easy Chat Server.