HIGH
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTP packets
Published Mar 16, 2014
7.8
HIGHCVSS 2.0
EPSS 4.46%
Description
Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTP packets.
Affected products
No data.
OR
- ≤ 1.1.2
- 1.0.1
- 1.1.0
- 1.1.1
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.
7.8 HIGH NVD
AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
4.46% 0.04456
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.04456
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.46% (0.04456) | 91.12th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.46% (0.04456) | 90.16th | v5 (v2026.06.15) |
| Apr 27, 2025 | 1.60% (0.01597) | 80.66th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.92% (0.02916) | 77.30th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.87% (0.01873) | 81.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.39% (0.00391) | 74.17th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.39% (0.00391) | 72.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.39% (0.00391) | 69.14th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (3)
- http://ics-cert.us-cert.gov/advisories/ICSA-14-073-01 x_refsource_MISCUS Government Resource
- http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdf x_refsource_CONFIRMPatchVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-456423.pdf x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://ics-cert.us-cert.gov/advisories/ICSA-14-073-01 | x_refsource_MISCUS Government Resource | |
| http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdf | x_refsource_CONFIRMPatchVendor Advisory | |
| https://cert-portal.siemens.com/productcert/pdf/ssa-456423.pdf | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 16, 2014
Updated Aug 6, 2024
Reserved Feb 28, 2014
Link CVE-2014-2255
CISA Vulnrichment
Updated n/a