CVE-2012-2420 json
The intu-help-qb (aka Intuit Help System Async Pluggable Protocol) handlers in HelpAsyncPluggableProtocol.dll in Intuit QuickBooks 2009 thr…
published 2012-04-25 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-2406
- cvss
- 1.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 70%
- public exploits
- 0
- none known
Summary
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, might allow remote attackers to obtain sensitive information via a URI with a % (percent) character as its (1) last or (2) second-to-last character, in situations where a certain "post-URL data" buffer contains a 0x0000 character but a buffer overflow does not occur.
Exploit prediction
1.30% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- securityfocus.com http://www.securityfocus.com/archive/1/522138 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 1.8 | AV:A/AC:H/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
securityfocus.com
/archive/1/522138
mailing-list, exploit
-
osvdb.org
/80820
vdb-entry
-
kb.cert.org
/vuls/id/232979
third-party-advisory, us-government-resource
-
exchange.xforce.ibmcloud.com
/vulnerabilities/74548
vdb-entry
Sources
- CVE List CVE-2012-2420
- NVD CVE-2012-2420
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.