What is the CVSS score of CVE-2012-2420?

CVE-2012-2420 has a CVSS 2.0 base score of 1.8 (Low). CVSS vector: AV:A/AC:H/Au:N/C:P/I:N/A:N. EPSS exploitation probability: 0.2%.

Is there a public PoC exploit available for CVE-2012-2420?

Yes, a public proof-of-concept exploit is available for CVE-2012-2420. Prioritise patching immediately. EPSS: 0.2%.

Quickbooks CVE-2012-2420

LOW

Information Exposure (CWE-200)

2012-04-25 cve@mitre.org

Buffer Overflow Information Disclosure Quickbooks

1.8

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

1.8 LOW

AV:A/AC:H/Au:N/C:P/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:A/AC:H/Au:N/C:P/I:N/A:N

Attack Vector

Adjacent

Attack Complexity

High

Confidentiality

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Apr 25, 2012 - 20:55 cve.org

LOW 1.8

DescriptionCVE.org

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.

AnalysisAI

Technical ContextAI

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. 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. Affected products include: Intuit Quickbooks. Version information: through 2012.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.