Is CVE-2012-5409 in the CISA KEV catalog?

No. CVE-2012-5409 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2012-5409?

CVE-2012-5409 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2012-5409?

CVE-2012-5409 has an EPSS score of 15.79% (96th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2012-5409

HIGHEPSS 96th pctl

10.0

CVSS v2

NVD

Description

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.

CWE-119Buffer Overflow

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

15.79%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.