CVE-2025-25621: Unifiedtransform 2.0 is vulnerable to Incorrect Access Control, which allows teachers to take attendance of fe

Routine

MEDIUM 4.3DOWNGRADE

CVE-2025-25621 is a medium-severity flaw (CVSS 4.3) affecting unifiedtransform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Unifiedtransform 2.0 is vulnerable to Incorrect Access Control, which allows teachers to take attendance of fellow teachers. This affected endpoint is /courses/teacher/index?teacher_id=2&semester_id=1.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-284
Published	2025-03-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: changeweb

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

Am I affected?

Timeline

2025-03-17 15:15 UTCPublished CVE record published
2026-06-17 09:00 UTCUpdated Record last modified

changeweb unifiedtransform DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison unifiedtransform sudo apt install unifiedtransform=<VERSION_BEFORE_2.0> sudo apt-mark hold unifiedtransform

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list unifiedtransform sudo dnf downgrade unifiedtransform-<VERSION_BEFORE_2.0> sudo dnf versionlock add unifiedtransform

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-25621?

unifiedtransform: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-25621 being exploited?

CVE-2025-25621 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-2025-25621 affect?

CVE-2025-25621 affects unifiedtransform. Severity is medium (CVSS 4.3). Unifiedtransform 2.0 is vulnerable to Incorrect Access Control, which allows teachers to take attendance of fellow teachers. This affected endpoint is /courses/teacher/index?teacher_id=2&semester_id=1.

How urgent is CVE-2025-25621?

Priority 28/100. Public exploit reference

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CVE-2025-25618 LOW 3.3 DOWNGRADE Incorrect Access Control in Unifiedtransform 2.0 leads to Privilege Escalation allowing the change of Section
CVE-2025-25616 MEDIUM 4.3 DOWNGRADE Unifiedtransform 2.0 is vulnerable to Incorrect Access Control, which allows students to modify rules for exam
CVE-2025-25615 LOW 2.7 DOWNGRADE Unifiedtransform 2.0 is vulnerable to Incorrect Access Control which allows viewing attendance list for all cl
CVE-2025-25614 HIGH 8.8 DOWNGRADE Incorrect Access Control in Unifiedtransform 2.0 leads to Privilege Escalation, which allows teachers to updat

References

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