Vulnerability Name:

CVE-2021-26040 (CCN-208142)

Assigned:2021-08-20
Published:2021-08-20
Updated:2021-08-31
Summary:An issue was discovered in Joomla! 4.0.0. The media manager does not correctly check the user's permissions before executing a file deletion command.
CVSS v3 Severity:9.1 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-863
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2021-26040

Source: CCN
Type: Joomla! Developers Web site
Core - Insufficient access control for com_media deletion endpoint

Source: MISC
Type: Vendor Advisory
https://developer.joomla.org/security-centre/861-20210801-core-insufficient-access-control-for-com-media-deletion-endpoint

Source: XF
Type: UNKNOWN
joomla-cve202126040-sec-bypass(208142)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2021-26040

Vulnerable Configuration:Configuration 1:
  • cpe:/a:joomla:joomla!:4.0.0:-:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:joomla:joomla!:4.0.0:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    joomla joomla! 4.0.0 -
    joomla joomla! 4.0.0 -