Vulnerability Name:

CVE-2018-17855 (CCN-151280)

Assigned:2018-10-04
Published:2018-10-04
Updated:2020-08-24
Summary:An issue was discovered in Joomla! before 3.8.13. If an attacker gets access to the mail account of an user who can approve admin verifications in the registration process, he can activate himself.
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
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:6.5 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
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-269
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2018-17855

Source: BID
Type: Third Party Advisory, VDB Entry
105559

Source: CCN
Type: BID-105559
Joomla! Core Multiple Security Vulnerabilities

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041914

Source: CCN
Type: Joomla! Developer Web site
[20181004] - Core - ACL Violation in com_users for the admin verification

Source: CONFIRM
Type: Vendor Advisory
https://developer.joomla.org/security-centre/754-20181004-core-acl-violation-in-com-users-for-the-admin-verification

Source: XF
Type: UNKNOWN
joomla-cve201817855-sec-bypass(151280)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:joomla:joomla!:*:*:*:*:*:*:*:* (Version >= 1.5.0 and < 3.8.13)

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