CVE-2021-40662

HIGHNVD 8.88.8—

8.8

A Cross-Site Request Forgery (CSRF) in Chamilo LMS 1.11.14 allows attackers to execute arbitrary commands on victim hosts via user interaction with a crafted URL.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 69.3%
KEV: Not listed

Published

March 21, 2022

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://febin0x4e4a.wordpress.com/2022/03/22/cve-2021-40662-chamilo-lms-1-11-14-rce/
cve@mitrehttps://febinj.medium.com/cve-2021-40662-chamilo-lms-1-11-14-rce-5301bad245d7
cve@mitrehttps://support.chamilo.org/projects/1/wiki/Security_issues#Issue-83-2021-08-11-High-impact-Moderate-risk-Cross-Site-Request-Forgery-CSRF-leading-to-Remote-Code-Execution
af854a3a-2127-422b-91ae-364da2661108https://febin0x4e4a.wordpress.com/2022/03/22/cve-2021-40662-chamilo-lms-1-11-14-rce/
af854a3a-2127-422b-91ae-364da2661108https://febinj.medium.com/cve-2021-40662-chamilo-lms-1-11-14-rce-5301bad245d7
af854a3a-2127-422b-91ae-364da2661108https://support.chamilo.org/projects/1/wiki/Security_issues#Issue-83-2021-08-11-High-impact-Moderate-risk-Cross-Site-Request-Forgery-CSRF-leading-to-Remote-Code-Execution

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-352Cross-Site Request Forgery (CSRF)

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-07 15:23 UTCepss_batch
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Frequently asked(5)

What is CVE-2021-40662?

CVE-2021-40662 is a high vulnerability published on March 21, 2022. A Cross-Site Request Forgery (CSRF) in Chamilo LMS 1.11.14 allows attackers to execute arbitrary commands on victim hosts via user interaction with a crafted URL.

When was CVE-2021-40662 disclosed?

CVE-2021-40662 was first published in the National Vulnerability Database on March 21, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-40662 actively exploited?

CVE-2021-40662 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-40662?

CVE-2021-40662 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2021-40662?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-40662, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-40662

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-40662?

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Published

Last Modified

References (6)

Frequently asked(5)

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