CVE-2012-2418

Exp

Heap-based buffer overflow in the intu-help-qb (aka Intuit Help System Async Pluggable Protocol) handlers in HelpAsyncPluggableProtocol.dll in Intuit QuickBooks 2009 through 2012, when Internet Explorer is used, allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a URI with a % (percent) character as its (1) last or (2) second-to-last character.

Published: 2012-04-25 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-2418 is rated Exploit Available (58.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.27%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2012-2418

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-2418

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 2025-03-30 0.24% 0.27% +0.03%
2 2025-03-29 0.27% 0.24% -0.03%
3 2025-03-17 0.27%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-2418

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:A/AC:H/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
3.2 10.0 [email protected]

Weakness enumeration for CVE-2012-2418

Affected software / configurations for CVE-2012-2418

Vendor Product Version Raw CPE
intuit quickbooks 2009 cpe:2.3:a:intuit:quickbooks:2009:*:*:*:*:*:*:*
intuit quickbooks 2010 cpe:2.3:a:intuit:quickbooks:2010:*:*:*:*:*:*:*
intuit quickbooks 2011 cpe:2.3:a:intuit:quickbooks:2011:*:*:*:*:*:*:*
intuit quickbooks 2012 cpe:2.3:a:intuit:quickbooks:2012:*:*:*:*:*:*:*

References for CVE-2012-2418

cvelogic Threat Intelligence