VulnerabilityModified
CVE-2014-2254
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 HTTP packets, a different vulnerability than CVE-2014-2255.
HIGH 7.8EPSS 4.64%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.64%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 HTTP packets, a different vulnerability than CVE-2014-2255.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 4.64% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- siemens/simatic s7 cpu 1200 firmware · siemens/simatic s7 cpu-1211c · siemens/simatic s7 cpu 1212c · siemens/simatic s7 cpu 1214c · siemens/simatic s7 cpu 1215c · siemens/simatic s7 cpu 1217c
- Source
- cve@mitre.org
References
- http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02US Government Resource
- http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdfVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-654382.pdf
- http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02US Government Resource
- http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdfVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-654382.pdf
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.