CVE-2025-3564: A vulnerability classified as problematic has been found in huanfenz/code-projects StudentManager up to 1.0

Routine

MEDIUM 4.3DOWNGRADE

CVE-2025-3564 is a medium-severity flaw (CVSS 4.3) affecting studentmanager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability classified as problematic has been found in huanfenz/code-projects StudentManager up to 1.0. This affects an unknown part of the component Teacher String Handler. The manipulation leads to improper authorization. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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	Low
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-266, CWE-285
Published	2025-04-14
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: huanfenz

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

Am I affected?

Timeline

2025-04-14 12:15 UTCPublished CVE record published
2026-06-17 09:20 UTCUpdated Record last modified

huanfenz studentmanager DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison studentmanager sudo apt install studentmanager=<VERSION_BEFORE_1.0> sudo apt-mark hold studentmanager

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

dnf --showduplicates list studentmanager sudo dnf downgrade studentmanager-<VERSION_BEFORE_1.0> sudo dnf versionlock add studentmanager

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-2025-3564?

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

Is CVE-2025-3564 being exploited?

CVE-2025-3564 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-2025-3564 affect?

CVE-2025-3564 affects studentmanager. Severity is medium (CVSS 4.3). A vulnerability classified as problematic has been found in huanfenz/code-projects StudentManager up to 1.0. This affects an unknown part of the component Teacher String Handler. The manipulation leads to improper authorization. It is possi

How urgent is CVE-2025-3564?

Priority 31/100. Public exploit reference

Related CVEs

CVE-2025-3587 MEDIUM 6.3 DOWNGRADE A vulnerability classified as critical was found in ZeroWdd/code-projects studentmanager 1.0
CVE-2025-3565 MEDIUM 4.7 DOWNGRADE A vulnerability classified as critical was found in huanfenz/code-projects StudentManager 1.0
CVE-2024-13143 LOW 2.4 DOWNGRADE A vulnerability was found in ZeroWdd studentmanager 1.0

References

← Back to latest CVEs