CVE-2021-26038

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
JoomlaCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
VendorProductVersion
joomlajoomla\!
2.5.0 ≤
𝑥
≤ 3.9.27
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://developer.joomla.org/security-centre/859-20210704-core-privilege-escalation-through-com-installer.html
https://developer.joomla.org/security-centre/859-20210704-core-privilege-escalation-through-com-installer.html