Vulnerability CVE-2022-30760
Published: 2022-06-09

Description:
An Insecure Direct Object Reference (IDOR) issue in fn2Web in ihb eG FlexNow before 2.04.09.016 allows remote authenticated attackers to obtain sensitive student information (final grades, study courses, degrees) by changing the student ID parameter in the HTTP POST request to the FrontControllerSS endpoint.

Type:

CWE-639

 (Authorization Bypass Through User-Controlled Key)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Ihb-eg -> Fn2web 

 References:
https://wiki.ihb-eg.de/doku.php/releasenotes/fn2web2.04.09
https://homepage.ruhr-uni-bochum.de/Christian.Krug-q97/CVE-2022-30760.html
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