[20210704] - Core - Privilege escalation through com_installer (Joomla! Project Joomla! CMS)
At a glance
- Source
- NVD
- EPSS
- EPSS 1.00 % · percentile 63 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Joomla
- NVD status
- Modified
Description
An issue was discovered in Joomla! 2.5.0 through 3.9.27. Install action in com_installer lack the required hardcoded ACL checks for superusers. A default system is not affected cause the default ACL for com_installer is limited to super users already.
Weaknesses (CWE)
- CWE-754 — Improper Check for Unusual or Exceptional Conditions
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-12861
- GCVE · GCVE-0-2021-26038
CERT-FR advisories
- CERTFR-2021-AVI-504 — Multiples vulnérabilités dans Joomla · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*≥ 2.5.0 ≤ 3.9.27
Affected products
| Product | Versions |
|---|---|
| Joomla! Project · Joomla! CMS | affected 2.5.0-3.9.27 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |