CVE-2025-48375: Schule is open-source school management system software

This week

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2025-48375 is a medium-severity flaw (CVSS 5.3) affecting schule school management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Schule is open-source school management system software. Prior to version 1.0.1, the file forgot_password.php (or equivalent endpoint responsible for email-based OTP generation) lacks proper rate limiting controls, allowing attackers to abuse the OTP request functionality. This vulnerability can be exploited to send an excessive number of OTP emails, leading to potential denial-of-service (DoS) conditions or facilitating user harassment through e

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-770
Published	2025-05-23
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: schule111

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

Am I affected?

Timeline

2025-05-23 16:15 UTCPublished CVE record published
2026-06-17 09:29 UTCUpdated Record last modified

schule111 schule school management system DOWNGRADE

Affected: 1.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.0

1. Check installed version

apt-cache policy schule-school-management-system || rpm -q schule-school-management-system || schule-school-management-system --version

2. No fixed release: DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)

apt-cache madison schule-school-management-system sudo apt install schule-school-management-system=<VERSION_BEFORE_1.0.0> sudo apt-mark hold schule-school-management-system

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

dnf --showduplicates list schule-school-management-system sudo dnf downgrade schule-school-management-system-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add schule-school-management-system

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-2025-48375?

schule school management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-48375 being exploited?

CVE-2025-48375 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-2025-48375 affect?

CVE-2025-48375 affects schule school management system. Severity is medium (CVSS 5.3). Schule is open-source school management system software. Prior to version 1.0.1, the file forgot_password.php (or equivalent endpoint responsible for email-based OTP generation) lacks proper rate limiting controls, allowing attackers to abu

How urgent is CVE-2025-48375?

Priority 38/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-48373 CRITICAL 9.1 DOWNGRADE Schule is open-source school management system software
CVE-2025-48372 HIGH 7.3 DOWNGRADE Schule is open-source school management system software

References

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