#VU26548 Improper Authentication in DotNetNuke - CVE-2017-9822
Published: April 2, 2020 / Updated: February 20, 2022
Vulnerability identifier: #VU26548
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2017-9822
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
DotNetNuke
DotNetNuke
Software vendor:
DNN
DNN
Description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to application uses cookies in an insecure way. A remote attacker can decode the cookie and use information from the cookie to impersonate other web application users and gain full access to the web application.
Successful exploitation of the vulnerability may allow an attacker to gain administrative access to the application and compromise it.
Remediation
Install updates from vendor's website.