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CVE-2025-52998

Chamilo Lms insecure deserialization

9.8 CRITICALEPSS 0.38%
  1. Published2 Mar 2026

Description

Chamilo is a learning management system. Prior to version 1.11.30, in the application, deserialization of data is performed, the data can be spoofed. An attacker can create objects of arbitrary classes, as well as fully control their properties, and thus modify the logic of the web application's operation. This issue has been patched in version 1.11.30.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Chamilo Lms< 1.11.30

Remediation

Fixed in
Chamilo Lms≥ 1.11.30

References

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Frequently asked

Is CVE-2025-52998 being actively exploited?

CVE-2025-52998 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.38%.

How severe is CVE-2025-52998?

CVE-2025-52998 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.38% probability of exploitation.

Which products are affected by CVE-2025-52998?

Affected products include Chamilo Lms.

How do I fix CVE-2025-52998?

Upgrade affected software to a fixed version, for example Chamilo Lms 1.11.30 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-52998 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.