How severe is CVE-2021-35414?

CVE-2021-35414 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-35414 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35414?

CVE-2021-35414 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-35414?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-35414 published?

CVE-2021-35414 was published on 2021-12-03 and last updated on 2026-06-17.

CVE-2021-35414

CVE-2021-35414 is a critical-severity vulnerability in Chamilo Chamilo Lms with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Chamilo Chamilo Lms
Published: 2021-12-03
Last modified: 2026-06-17

Description

Chamilo LMS v1.11.x was discovered to contain a SQL injection via the doc parameter in main/plagiarism/compilatio/upload.php.

Frequently asked questions

What is CVE-2021-35414?: Chamilo LMS v1.11.x was discovered to contain a SQL injection via the doc parameter in main/plagiarism/compilatio/upload.php.
How severe is CVE-2021-35414?: CVE-2021-35414 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-35414 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35414?: CVE-2021-35414 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-35414?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-35414 published?: CVE-2021-35414 was published on 2021-12-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*

More vulnerabilities in Chamilo Chamilo Lms

CVE-2026-33698 — Critical (CVSS 9.8): Chamilo LMS is a learning management system. Prior to 1.11.38, a chained attack can enable otherwise-blocked PHP code…
CVE-2026-28430 — Critical (CVSS 9.8): Chamilo LMS is a learning management system. Prior to version 1.11.34, there is an unauthenticated SQL injection…
CVE-2025-52998 — Critical (CVSS 9.8): Chamilo is a learning management system. Prior to version 1.11.30, in the application, deserialization of data is…
CVE-2025-50192 — Critical (CVSS 9.8): Chamilo is a learning management system. Prior to version 1.11.30, there is a time-based SQL Injection in found in…
CVE-2025-50190 — Critical (CVSS 9.8): Chamilo is a learning management system. Prior to version 1.11.30, there is an error-based SQL Injection via the GET…
CVE-2025-50187 — Critical (CVSS 9.8): Chamilo is a learning management system. Prior to version 1.11.28, parameter from SOAP request is evaluated without…

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