CVE-2012-6562

engine/lib/users.php in Elgg before 1.8.5 does not properly specify permissions for the useradd action, which allows remote attackers to create arbitrary accounts.

Published: 2013-05-23 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-6562 is rated Moderate Risk (48.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.48%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2012-6562

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-17 0.81% 0.48% -0.34%
2 2023-03-07 1.21% 0.81% -0.40%
3 2022-02-04 1.21%

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-6562

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2012-6562

Affected software / configurations for CVE-2012-6562

Vendor Product Version Raw CPE
elgg elgg <= 1.8.4 cpe:2.3:a:elgg:elgg:*:*:*:*:*:*:*:*
elgg elgg 1.7.0 cpe:2.3:a:elgg:elgg:1.7.0:*:*:*:*:*:*:*
elgg elgg 1.7.1 cpe:2.3:a:elgg:elgg:1.7.1:*:*:*:*:*:*:*
elgg elgg 1.7.2 cpe:2.3:a:elgg:elgg:1.7.2:*:*:*:*:*:*:*
elgg elgg 1.7.3 cpe:2.3:a:elgg:elgg:1.7.3:*:*:*:*:*:*:*
elgg elgg 1.7.4 cpe:2.3:a:elgg:elgg:1.7.4:*:*:*:*:*:*:*
elgg elgg 1.7.5 cpe:2.3:a:elgg:elgg:1.7.5:*:*:*:*:*:*:*
elgg elgg 1.7.6 cpe:2.3:a:elgg:elgg:1.7.6:*:*:*:*:*:*:*
elgg elgg 1.7.7 cpe:2.3:a:elgg:elgg:1.7.7:*:*:*:*:*:*:*
elgg elgg 1.7.8 cpe:2.3:a:elgg:elgg:1.7.8:*:*:*:*:*:*:*
elgg elgg 1.7.9 cpe:2.3:a:elgg:elgg:1.7.9:*:*:*:*:*:*:*
elgg elgg 1.7.10 cpe:2.3:a:elgg:elgg:1.7.10:*:*:*:*:*:*:*
elgg elgg 1.7.11 cpe:2.3:a:elgg:elgg:1.7.11:*:*:*:*:*:*:*
elgg elgg 1.7.12 cpe:2.3:a:elgg:elgg:1.7.12:*:*:*:*:*:*:*
elgg elgg 1.7.13 cpe:2.3:a:elgg:elgg:1.7.13:*:*:*:*:*:*:*
elgg elgg 1.7.14 cpe:2.3:a:elgg:elgg:1.7.14:*:*:*:*:*:*:*
elgg elgg 1.7.15 cpe:2.3:a:elgg:elgg:1.7.15:*:*:*:*:*:*:*
elgg elgg 1.7.16 cpe:2.3:a:elgg:elgg:1.7.16:*:*:*:*:*:*:*
elgg elgg 1.7.17 cpe:2.3:a:elgg:elgg:1.7.17:*:*:*:*:*:*:*
elgg elgg 1.7.18 cpe:2.3:a:elgg:elgg:1.7.18:*:*:*:*:*:*:*
elgg elgg 1.8.0.1 cpe:2.3:a:elgg:elgg:1.8.0.1:*:*:*:*:*:*:*
elgg elgg 1.8.1 cpe:2.3:a:elgg:elgg:1.8.1:*:*:*:*:*:*:*
elgg elgg 1.8.3 cpe:2.3:a:elgg:elgg:1.8.3:*:*:*:*:*:*:*

References for CVE-2012-6562

cvelogic Threat Intelligence