Auth bypass in Ihb-Eg Fn2web
CVE-2022-30760
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.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.010 (59.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
Weakness classification (CWE)
References
- wiki.ihb-eg.de/doku.php/releasenotes/fn2web2.04.09 (Release Notes, Vendor Advisory)
- homepage.ruhr-uni-bochum.de/Christian.Krug-q97/CVE-2022-30760.html (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-30760?
- CVE-2022-30760 is a medium-severity vulnerability in Ihb-Eg Fn2web, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2022-06-09.
- How severe is CVE-2022-30760?
- Medium severity. CVSS v3 base score is 4.3 out of 10.