CVE-2011-4678

The password reset feature in One Click Orgs before 1.2.3 generates different error messages for failed reset attempts depending on whether the e-mail address is registered, which allows remote attackers to enumerate user accounts via a series of requests.

Published: 2011-12-06 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-4678 is rated Moderate Risk (42.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.16%). 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-2011-4678

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 2026-06-15 0.25% 1.16% +0.91%
2 2025-03-17 0.54% 0.25% -0.29%
3 2024-09-17 0.54%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4678

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-4678

Affected software / configurations for CVE-2011-4678

Vendor Product Version Raw CPE
oneclickorgs one_click_orgs <= 1.2.2 cpe:2.3:a:oneclickorgs:one_click_orgs:*:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.0.0 cpe:2.3:a:oneclickorgs:one_click_orgs:1.0.0:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.0.1 cpe:2.3:a:oneclickorgs:one_click_orgs:1.0.1:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.1.0 cpe:2.3:a:oneclickorgs:one_click_orgs:1.1.0:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.1.1 cpe:2.3:a:oneclickorgs:one_click_orgs:1.1.1:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.2.0 cpe:2.3:a:oneclickorgs:one_click_orgs:1.2.0:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.2.1 cpe:2.3:a:oneclickorgs:one_click_orgs:1.2.1:*:*:*:*:*:*:*

References for CVE-2011-4678

cvelogic Threat Intelligence