The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not perform authentication, which makes it easier for remote attackers to obtain access via a TCP session
Published Feb 3, 2012
10.0
HIGHCVSS 2.0
EPSS 3.38%
Description
The TELNET daemon in Siemens WinCC flexible 2004, 2005, 2007, and 2008; WinCC V11 (aka TIA portal); the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not perform authentication, which makes it easier for remote attackers to obtain access via a TCP session.
Affected products
No data.
Configuration 1
- 2004
- 2005
- 2007
- 2008
Configuration 3
- comfort_panels
- mobile_panels
- mp
- op
- tp
Configuration 4
- v11
Configuration 5
- 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: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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.38% (0.03377) | 88.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.52% (0.03522) | 87.69th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.55% (0.00549) | 65.96th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.51% (0.00508) | 77.33th | v3 (v2023.03.01) |
| May 10, 2024 | 0.41% (0.00407) | 73.66th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.38% (0.00382) | 72.73th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.32% (0.00324) | 70.08th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.31% (0.00308) | 69.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.51% (0.00508) | 72.91th | 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) |
References (2)
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf x_refsource_CONFIRMVendor Advisory
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf x_refsource_MISCUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-345442.pdf | x_refsource_CONFIRMVendor Advisory | |
| http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf | x_refsource_MISCUS Government Resource |
Change history (0)
No recorded changes yet.