miniweb.exe in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not properly handle URIs beginning with a 0xfa character, which allows remote attackers to read data from arbitrary memory locations or cause a denial of service (application crash) via a crafted POST request
Published Feb 3, 2012
8.5
HIGHCVSS 2.0
EPSS 12.11%
Description
miniweb.exe in the HMI web server in Siemens WinCC flexible 2004, 2005, 2007, and 2008 before SP3; WinCC V11 (aka TIA portal) before SP2 Update 1; the TP, OP, MP, Comfort Panels, and Mobile Panels SIMATIC HMI panels; WinCC V11 Runtime Advanced; and WinCC flexible Runtime does not properly handle URIs beginning with a 0xfa character, which allows remote attackers to read data from arbitrary memory locations or cause a denial of service (application crash) via a crafted POST request.
Affected products
No data.
Configuration 1
- 2004
- 2005
- 2007
- 2008
- 2008
- 2008
Configuration 2
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:P/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 (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 12.11% (0.12105) | 96.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 12.54% (0.12545) | 95.71th | v5 (v2026.06.15) |
| May 23, 2026 | 32.65% (0.32647) | 96.94th | v4 (v2025.03.14) |
| Mar 10, 2026 | 34.29% (0.34287) | 96.91th | v4 (v2025.03.14) |
| Dec 25, 2025 | 40.51% (0.40514) | 97.21th | v4 (v2025.03.14) |
| Oct 4, 2025 | 42.39% (0.42391) | 97.36th | v4 (v2025.03.14) |
| Apr 7, 2025 | 39.57% (0.39573) | 97.02th | v4 (v2025.03.14) |
| Mar 30, 2025 | 33.34% (0.33345) | 96.54th | v4 (v2025.03.14) |
| Mar 29, 2025 | 26.42% (0.26425) | 94.08th | v4 (v2025.03.14) |
| Mar 17, 2025 | 33.34% (0.33345) | 96.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.36% (0.02360) | 90.20th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.36% (0.02360) | 88.08th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (8)
- http://aluigi.org/adv/winccflex_1-adv.txt x_refsource_MISC
- http://www.exploit-db.com/exploits/18166 exploitx_refsource_EXPLOIT-DB
- http://www.osvdb.org/77384 vdb-entryx_refsource_OSVDB
- 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/ICS-ALERT-11-332-02.pdf x_refsource_MISC
- http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf x_refsource_MISC
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf x_refsource_MISCUS Government Resource
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71453 vdb-entryx_refsource_XF
| Link | Providers | Tags |
|---|---|---|
| http://aluigi.org/adv/winccflex_1-adv.txt | x_refsource_MISC | |
| http://www.exploit-db.com/exploits/18166 | exploitx_refsource_EXPLOIT-DB | |
| http://www.osvdb.org/77384 | vdb-entryx_refsource_OSVDB | |
| 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/ICS-ALERT-11-332-02.pdf | x_refsource_MISC | |
| http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-332-02A.pdf | x_refsource_MISC | |
| http://www.us-cert.gov/control_systems/pdf/ICSA-12-030-01.pdf | x_refsource_MISCUS Government Resource | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/71453 | vdb-entryx_refsource_XF |
Change history (0)
No recorded changes yet.