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
Published Nov 1, 2012
10.0
HIGHCVSS 2.0
EPSS 15.79%
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.
Affected products
No data.
- ≤ mp2.6
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 15.79% (0.15788) | 96.78th | v5 (v2026.06.15) |
| Jun 15, 2026 | 15.79% (0.15788) | 96.44th | v5 (v2026.06.15) |
| Mar 30, 2025 | 35.38% (0.35376) | 96.71th | v4 (v2025.03.14) |
| Mar 29, 2025 | 23.49% (0.23489) | 93.52th | v4 (v2025.03.14) |
| Mar 17, 2025 | 35.38% (0.35376) | 96.68th | v4 (v2025.03.14) |
| Mar 10, 2025 | 21.52% (0.21516) | 96.55th | v3 (v2023.03.01) |
| Dec 17, 2024 | 24.27% (0.24271) | 96.63th | v3 (v2023.03.01) |
| Nov 20, 2024 | 39.02% (0.39022) | 97.35th | v3 (v2023.03.01) |
| Sep 27, 2024 | 46.02% (0.46015) | 97.49th | v3 (v2023.03.01) |
| Jul 31, 2024 | 38.32% (0.38317) | 97.27th | v3 (v2023.03.01) |
| Jun 1, 2024 | 44.22% (0.44220) | 97.38th | v3 (v2023.03.01) |
| Nov 26, 2023 | 47.17% (0.47175) | 97.11th | v3 (v2023.03.01) |
| Mar 7, 2023 | 54.44% (0.54443) | 97.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 8.59% (0.08589) | 93.91th | v2 (v2022.01.01) |
| Jan 16, 2023 | 8.59% (0.08589) | 93.59th | v2 (v2022.01.01) |
| Oct 15, 2022 | 10.13% (0.10127) | 94.39th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.13% (0.12131) | 94.81th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.13% (0.12131) | 89.22th | v2 (v2022.01.01) |
References (5)
- http://ics-cert.us-cert.gov/advisories/ICSA-12-305-01 x_refsource_MISC
- http://ioactive.com/pdfs/SIEMENS_Sipass_Integrated_Ethernet_Bus_Arbitrary_Pointer_Dereference_V4.pdf x_refsource_MISC
- http://secunia.com/advisories/50900 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.osvdb.org/86129 vdb-entryx_refsource_OSVDB
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-938777.pdf x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://ics-cert.us-cert.gov/advisories/ICSA-12-305-01 | x_refsource_MISC | |
| http://ioactive.com/pdfs/SIEMENS_Sipass_Integrated_Ethernet_Bus_Arbitrary_Pointer_Dereference_V4.pdf | x_refsource_MISC | |
| http://secunia.com/advisories/50900 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://www.osvdb.org/86129 | vdb-entryx_refsource_OSVDB | |
| http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-938777.pdf | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.