SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-23752

Joomla! Improper Access Control Vulnerability

KEVMEDIUM 5.3EPSS 99.8%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 29 January 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS
99.83% probability · 100th percentile
CISA KEV
Listed 8 January 2024 · due 29 January 2024
Weakness
CWE-284
Affected
joomla/joomla\!
Source
security@joomla.org

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://developer.joomla.org/security-centre/894-20230201-core-improper-access-check-in-webservice-endpoints.html; https://nvd.nist.gov/vuln/detail/CVE-2023-23752

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.