CVE-2022-30760: An Insecure Direct Object Reference (IDOR) issue in fn2Web in ihb eG FlexNow before 2.04.09.016 allows remote

Q: How do I fix CVE-2022-30760?

fn2web: upgrade to 2.04.09.016. Exact commands for each OS are on this page.

Q: Is CVE-2022-30760 being exploited?

CVE-2022-30760 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-30760 affect?

CVE-2022-30760 affects fn2web. Severity is medium (CVSS 4.3). 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

Q: How urgent is CVE-2022-30760?

Priority 35/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2022-30760 is a medium-severity flaw (CVSS 4.3) affecting fn2web. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-639
Published	2022-06-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ihb-eg

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-06-09 16:15 UTCPublished CVE record published
2026-06-17 04:44 UTCUpdated Record last modified

ihb-eg fn2web UPGRADE

Affected: < 2.04.09.016

Fixed in: 2.04.09.016

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fn2web || rpm -q fn2web || fn2web --version

2. UPGRADE to 2.04.09.016 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fn2web

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fn2web

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-30760?

fn2web: upgrade to 2.04.09.016. Exact commands for each OS are on this page.

Is CVE-2022-30760 being exploited?

CVE-2022-30760 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-30760 affect?

CVE-2022-30760 affects fn2web. Severity is medium (CVSS 4.3). 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

How urgent is CVE-2022-30760?

Priority 35/100. Public exploit reference

References

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