CVE-2022-30760

Name: CVE-2022-30760
Creator: NVD / NIST
Published: 2022-06-09T16:15:08.87+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.88%

Last modified Jun 17, 2026

CVE-2022-30760 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.88%

54.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Ihb-Eg	Fn2web	< 2.04.09.016

References

https://homepage.ruhr-uni-bochum.de/Christian.Krug-q97/CVE-2022-30760.htmlExploit, Third Party Advisory
https://wiki.ihb-eg.de/doku.php/releasenotes/fn2web2.04.09Release Notes, Vendor Advisory
https://homepage.ruhr-uni-bochum.de/Christian.Krug-q97/CVE-2022-30760.htmlExploit, Third Party Advisory
https://wiki.ihb-eg.de/doku.php/releasenotes/fn2web2.04.09Release Notes, Vendor Advisory

Timeline

Published: Jun 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-30760?

How severe is CVE-2022-30760?

CVE-2022-30760 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.

How do I fix CVE-2022-30760?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-30760?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST