CVE-2012-2424 — 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, allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a URI that lacks a required delimiter

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LOW

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, allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a URI that lacks a required delimiter

Published Apr 25, 2012

1.8

LOW

CVSS 2.0

EPSS 1.18%

Description

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, allow remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a URI that lacks a required delimiter.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.18% 0.01182

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01182

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.18% (0.01182)	66.63th	v5 (v2026.06.15)
Jun 15, 2026	1.20% (0.01196)	63.95th	v5 (v2026.06.15)
Mar 17, 2025	0.18% (0.00178)	37.10th	v4 (v2025.03.14)
Dec 17, 2024	1.74% (0.01736)	87.57th	v3 (v2023.03.01)
May 14, 2024	0.56% (0.00560)	77.53th	v3 (v2023.03.01)
Feb 8, 2024	0.52% (0.00518)	76.09th	v3 (v2023.03.01)
Sep 21, 2023	0.52% (0.00518)	73.96th	v3 (v2023.03.01)
Mar 7, 2023	0.54% (0.00542)	73.83th	v3 (v2023.03.01)
Mar 6, 2023	1.21% (0.01213)	66.61th	v2 (v2022.01.01)
Feb 17, 2023	1.21% (0.01213)	66.22th	v2 (v2022.01.01)
Apr 1, 2022	1.21% (0.01213)	64.21th	v2 (v2022.01.01)
Feb 4, 2022	1.21% (0.01213)	40.54th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (4)

http://www.kb.cert.org/vuls/id/232979
third-party-advisoryx_refsource_CERT-VNUS Government Resource
http://www.securityfocus.com/archive/1/522138
mailing-listx_refsource_BUGTRAQExploit
http://www.securityfocus.com/archive/1/522139
mailing-listx_refsource_BUGTRAQExploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/75175
vdb-entryx_refsource_XF

Link	Providers	Tags
http://www.kb.cert.org/vuls/id/232979		third-party-advisoryx_refsource_CERT-VNUS Government Resource
http://www.securityfocus.com/archive/1/522138		mailing-listx_refsource_BUGTRAQExploit
http://www.securityfocus.com/archive/1/522139		mailing-listx_refsource_BUGTRAQExploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/75175		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 25, 2012

Updated Aug 6, 2024

Reserved Apr 25, 2012

Link CVE-2012-2424

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2012-2424

Red Hat

Severity n/a

Public date n/a

Links CVE-2012-2424