Siemens SIMATIC S7-1200 PLCs 2.x and 3.x allow remote attackers to cause a denial of service (defect-mode transition and control outage) via crafted packets to UDP port 161 (aka the SNMP port)
Published Apr 22, 2013
7.8
HIGHCVSS 2.0
EPSS 2.39%
Description
Siemens SIMATIC S7-1200 PLCs 2.x and 3.x allow remote attackers to cause a denial of service (defect-mode transition and control outage) via crafted packets to UDP port 161 (aka the SNMP port).
Affected products
No data.
Configuration 1
- < 4.0
Running on/with
- n/a
Configuration 2
- < 4.0
Running on/with
- n/a
Configuration 3
- < 4.0
Running on/with
- n/a
Configuration 4
- < 4.0
Running on/with
- n/a
Configuration 5
- < 4.0
Running on/with
- n/a
Configuration 6
- < 4.0
Running on/with
- n/a
Configuration 7
- < 4.0
Running on/with
- n/a
Configuration 8
- < 4.0
Running on/with
- n/a
Configuration 9
- < 4.0
Running on/with
- n/a
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:N/I:N/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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.39% (0.02392) | 83.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.39% (0.02392) | 81.75th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.39% (0.00388) | 57.84th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.26% (0.00261) | 66.38th | v3 (v2023.03.01) |
| Mar 12, 2024 | 0.26% (0.00261) | 65.14th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.27% (0.00268) | 66.82th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.27% (0.00268) | 62.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
No CWE recorded.
References (2)
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-724606.pdf x_refsource_CONFIRMBroken LinkVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-724606.pdf x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-724606.pdf | x_refsource_CONFIRMBroken LinkVendor Advisory | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-724606.pdf | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.