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CVE-2012-5409

AscoServer.exe in the server in Siemens SiPass integrated MP2.6 and earlier does not properly...

10.0 HighPublic exploit

CVE-2012-5409 is a high vulnerability (CVSS 10.0) in Siemens Sipass Integrated, published November 1, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 15.8%, the 96th percentile. No source names a fixed version.

AscoServer.exe in the server in Siemens SiPass integrated MP2.6 and earlier does not properly handle IOCP RPC messages received over an Ethernet network, which allows remote attackers to write data to any memory location and consequently execute arbitrary code via crafted messages, as demonstrated by an arbitrary pointer dereference attack or a buffer overflow attack.

Exploit likelihood

15.8%Up 3.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 10.0

AscoServer.exe in the server in Siemens SiPass integrated MP2.6 and earlier does not properly handle IOCP RPC messages received over an Ethernet network, which allows remote attackers to write data to any memory location and consequently execute arbitrary code via crafted messages, as demonstrated by an arbitrary pointer dereference attack or a buffer overflow attack.

Record
CVE-2012-5409
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

AscoServer.exe in the server in Siemens SiPass integrated MP2.6 and earlier does not properly handle IOCP RPC messages received over an Ethernet network, which allows remote attackers to write data to any memory location and consequently execute arbitrary code via crafted messages, as demonstrated by an arbitrary pointer dereference attack or a buffer overflow attack.

Record
CVE-2012-5409
Updated
2026-11-02
EUVDEUVD-2012-5328 No score

AscoServer.exe in the server in Siemens SiPass integrated MP2.6 and earlier does not properly handle IOCP RPC messages received over an Ethernet network, which allows remote attackers to write data to any memory location and consequently execute arbitrary code via crafted messages, as demonstrated by an arbitrary pointer dereference attack or a buffer overflow attack.

Record
EUVD-2012-5328
Updated
2026-11-03
GitHub AdvisoriesGHSA-q4x4-498h-293w No score

AscoServer.exe in the server in Siemens SiPass integrated MP2.6 and earlier does not properly...

AscoServer.exe in the server in Siemens SiPass integrated MP2.6 and earlier does not properly handle IOCP RPC messages received over an Ethernet network, which allows remote attackers to write data to any memory location and consequently execute arbitrary code via crafted messages, as demonstrated by an arbitrary pointer dereference attack or a buffer overflow attack.

Record
GHSA-q4x4-498h-293w
Weakness
CWE-119
Updated
2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBSIEMENS Sipass Integrated 2.6 Ethernet Bus - Arbitrary Pointer Dereference2012-11-01

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, Exploit-DB, GitHub Advisories, NVD

References

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