CVE-2014-2256
UnknownEPSS 3.58%
Last modified
CVE-2014-2256 is a vulnerability of currently unknown severity. Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets, a different vulnerability than CVE-2014-2257.. EPSS estimates a 3.58% chance of exploitation in the next 30 days.
Description
Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets, a different vulnerability than CVE-2014-2257.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Simatic S7 Cpu 1200 Firmware | <= 3.0.2 |
| Siemens | Simatic S7 Cpu 1200 Firmware | 3.0 |
| Siemens | Simatic S7 Cpu-1211c | All versions |
| Siemens | Simatic S7 Cpu 1212c | All versions |
| Siemens | Simatic S7 Cpu 1214c | All versions |
| Siemens | Simatic S7 Cpu 1215c | All versions |
| Siemens | Simatic S7 Cpu 1217c | All versions |
References
- http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02US Government Resource
- http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2014-2256?
Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets, a different vulnerability than CVE-2014-2257.
How severe is CVE-2014-2256?
Severity scoring for CVE-2014-2256 is pending analysis. The EPSS model estimates a 3.58% probability of exploitation in the next 30 days.
How do I fix CVE-2014-2256?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Related CVEs from 2014
- CVE-2014-2250The random-number generator on Siemens SIMATIC S7-1200 CPU P…
- CVE-2014-2251The random-number generator on Siemens SIMATIC S7-1500 CPU P…
- CVE-2014-2252Siemens SIMATIC S7-1200 CPU PLC devices with firmware before…
- CVE-2014-2253Siemens SIMATIC S7-1500 CPU PLC devices with firmware before…
- CVE-2014-2254Siemens SIMATIC S7-1200 CPU PLC devices with firmware before…
- CVE-2014-2255Siemens SIMATIC S7-1500 CPU PLC devices with firmware before…
- CVE-2014-2257Siemens SIMATIC S7-1500 CPU PLC devices with firmware before…
- CVE-2014-2258Siemens SIMATIC S7-1200 CPU PLC devices with firmware before…
- CVE-2014-2259Siemens SIMATIC S7-1500 CPU PLC devices with firmware before…
- CVE-2014-2260Cross-site scripting (XSS) vulnerability in plugins/main/con…
- CVE-2014-2262Buffer overflow in the client application in Base SAS 9.2 TS…
- CVE-2014-2263The mpegts_write_pmt function in the MPEG2 transport stream …
Are you affected by CVE-2014-2256?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST