What’s Vulnerable › Vulnerabilities

CVE-2022-30760

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-06-09 · updated 2026-06-17
• Weakness: CWE-639

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.

Affected products

• Ihb-Eg Fn2Web: before 2.04.09.016 — fixed in 2.04.09.016

How to fix

Upgrade to a fixed version: Ihb-Eg Fn2Web 2.04.09.016. Check the vendor advisory for mitigations.

References

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

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