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Fencer Vulns
high 8.8

CVE-2021-40662 json

A Cross-Site Request Forgery (CSRF) in Chamilo LMS 1.11.14 allows attackers to execute arbitrary commands on victim hosts via user interact…

published 2022-03-21 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-27835

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

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.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-40662 updated

rhacm: A Cross-Site Request Forgery (CSRF) in Chamilo LMS 1.11.14 allows attackers to execute arbitrary commands

  • Red Hat Advanced Cluster Management for Kubernetes 2 rhacm2/search-ui-rhel8, rhacm2/console-ui-rhel8, rhacm2/grc-ui-api-rhel8, rhacm2/application-ui-rhel8, rhacm2/console-header-rhel8, rhacm2/mcm-topology-api-rhel8
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.10% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • febin0x4e4a.wordpress.com https://febin0x4e4a.wordpress.com/2022/03/22/cve-2021-40662-chamilo-lms-1-11-14-rce/ referenced PoC, tagged "exploit" by a source, unverified
  • febinj.medium.com https://febinj.medium.com/cve-2021-40662-chamilo-lms-1-11-14-rce-5301bad245d7 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.