VulnerabilityModified
CVE-2012-3017
Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a denial of service (defect-mode transition and service outage) via (1) malformed HTTP traffic or (2) malformed IP packets.
HIGH 7.8EPSS 3.46%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a denial of service (defect-mode transition and service outage) via (1) malformed HTTP traffic or (2) malformed IP packets.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 3.46% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- siemens/simatic s7-400 cpu firmware · siemens/simatic s7-400 cpu 414-3 pn\/dp · siemens/simatic s7-400 cpu 416-3 pn\/dp · siemens/simatic s7-400 cpu 416f-3 pn\/dp
- Source
- ics-cert@hq.dhs.gov
References
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-617264.pdfVendor Advisory
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-212-02.pdfUS Government Resource
- https://cert-portal.siemens.com/productcert/pdf/ssa-617264.pdf
- http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-617264.pdfVendor Advisory
- http://www.us-cert.gov/control_systems/pdf/ICSA-12-212-02.pdfUS Government Resource
- https://cert-portal.siemens.com/productcert/pdf/ssa-617264.pdf
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.