How severe is CVE-2018-20329?

CVE-2018-20329 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2018-20329 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20329?

CVE-2018-20329 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20329?

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

When was CVE-2018-20329 published?

CVE-2018-20329 was published on 2018-12-21 and last updated on 2026-06-17.

CVE-2018-20329

CVE-2018-20329 is a high-severity vulnerability in Chamilo Chamilo Lms with a CVSS 3.x base score of 8.1. 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: High (CVSS 3.x base score 8.1)
CVSS v2: 5.5
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-89
Affected product: Chamilo Chamilo Lms
Published: 2018-12-21
Last modified: 2026-06-17

Description

Chamilo LMS version 1.11.8 contains a main/inc/lib/CoursesAndSessionsCatalog.class.php SQL injection, allowing users with access to the sessions catalogue (which may optionally be made public) to extract and/or modify database information.

Frequently asked questions

What is CVE-2018-20329?: Chamilo LMS version 1.11.8 contains a main/inc/lib/CoursesAndSessionsCatalog.class.php SQL injection, allowing users with access to the sessions catalogue (which may optionally be made public) to extract and/or modify database information.
How severe is CVE-2018-20329?: CVE-2018-20329 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2018-20329 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20329?: CVE-2018-20329 affects Chamilo Chamilo Lms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20329?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-20329 published?: CVE-2018-20329 was published on 2018-12-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chamilo:chamilo_lms:1.11.8:*:*:*:*:*:*:*

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