CVE-2018-1999019

highpriority · track · 40EPSS 0.032 · 88 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

3.17% (88th) EPSS

CVSS 7.5 · high

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Chamilo LMS version 11.x contains an Unserialization vulnerability in the "hash" GET parameter for the api endpoint located at /webservices/api/v2.php that can result in Unauthenticated remote code execution. This attack appear to be exploitable via a simple GET request to the api endpoint. This vulnerability appears to have been fixed in After commit 0de84700648f098c1fbf6b807dee28ec640efe62.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-94USprimary

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
chamilo chamilo lms= 1.11.0nvdUScpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
chamilo chamilo lms= 1.11.2nvdUScpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
chamilo chamilo lms= 1.11.4nvdUScpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
chamilo chamilo lms= 1.11.6nvdUScpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*
chamilo chamilo lms= 1.11.8nvdUScpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-07-23modified 2026-06-17

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+10438 more

references (6)

External citations — patches, advisories, analysis.

https://github.com/chamilo/chamilo-lms/commit/0de84700648f098c1fbf6b807dee28ec640efe62 cnnvd
https://ibb.co/jBxe6y cnnvd
https://github.com/chamilo/chamilo-lms/commit/0de84700648f098c1fbf6b807dee28ec640efe62 enisa_euvd
https://ibb.co/jBxe6y enisa_euvd
https://github.com/chamilo/chamilo-lms/commit/0de84700648f098c1fbf6b807dee28ec640efe62PatchThird Party Advisorynvd
https://ibb.co/jBxe6yMailing ListThird Party Advisorynvd

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