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CVE-2011-4520

Heap-based buffer overflow in an ActiveX component in MICROSYS PROMOTIC before 8.1.5 allows...

4.3 MediumPublic exploit

CVE-2011-4520 is a medium vulnerability (CVSS 4.3) in Microsys Promotic, published May 23, 2013. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.37%, the 84th percentile. No source names a fixed version.

What does this mean?
Severity
4.3 MediumCVSS 2.0, NVD
Exploit chance
2.37%EPSS, 84th percentile
Exploitation
None known1 public exploit
Fixed in
No fix listedNo source names one

Description

Heap-based buffer overflow in an ActiveX component in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to cause a denial of service via a crafted web page.

Exploit likelihood

2.37%Up 1.3 points since Feb 4, 2022
90%50%10%1%

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBMicrosys PROMOTIC 8.1.4 - ActiveX GetPromoticSite Unitialized Pointer2011-10-13

What each source reports

NVD Score used4.3

Heap-based buffer overflow in an ActiveX component in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to cause a denial of service via a crafted web page.

Record
CVE-2011-4520
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE ListNo score

Heap-based buffer overflow in an ActiveX component in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to cause a denial of service via a crafted web page.

Record
CVE-2011-4520
Updated
2026-11-02
EUVDEUVD-2011-4446No score

Heap-based buffer overflow in an ActiveX component in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to cause a denial of service via a crafted web page.

Record
EUVD-2011-4446
Updated
2026-11-03
GitHub AdvisoriesGHSA-92hc-v7h5-rqc5No score

Heap-based buffer overflow in an ActiveX component in MICROSYS PROMOTIC before 8.1.5 allows...

Heap-based buffer overflow in an ActiveX component in MICROSYS PROMOTIC before 8.1.5 allows remote attackers to cause a denial of service via a crafted web page.

Record
GHSA-92hc-v7h5-rqc5
Weakness
CWE-119
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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