What is CVE-2022-27421?

CVE-2022-27421 is a high-severity vulnerability in Chamilo Lms, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2022-04-15.

How severe is CVE-2022-27421?

High severity. CVSS v3 base score is 7.2 out of 10.

Improper input validation in Chamilo Lms

CVE-2022-27421

Chamilo LMS v1.11.13 lacks validation on the user modification form, allowing attackers to escalate privileges to Platform Admin.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-04-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.1th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

Chamilo Lms

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

support.chamilo.org/projects/1/wiki/Security_issues (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-27421?: CVE-2022-27421 is a high-severity vulnerability in Chamilo Lms, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2022-04-15.
How severe is CVE-2022-27421?: High severity. CVSS v3 base score is 7.2 out of 10.