VulnerabilityModified
CVE-2017-2681
Specially crafted PROFINET DCP packets sent on a local Ethernet segment (Layer 2) to an affected product could cause a denial of service condition of that product.
HIGH 7.1EPSS 0.91%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Specially crafted PROFINET DCP packets sent on a local Ethernet segment (Layer 2) to an affected product could cause a denial of service condition of that product. Human interaction is required to recover the system. PROFIBUS interfaces are not affected.
- CVSS 4.0
- 7.1 HIGHCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.91% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- siemens/simatic cp 343-1 std firmware · siemens/simatic cp 343-1 lean firmware · siemens/simatic cp 343-1 adv firmware · siemens/simatic cp 443-1 std firmware · siemens/simatic cp 443-1 adv firmware · siemens/simatic cp 443-1 opc-ua firmware · siemens/simatic cp 1243-1 firmware · siemens/simatic cm 1542-1 firmware · siemens/simatic cp 1543sp-1 firmware · siemens/simatic cp 1542sp-1 irc firmware · siemens/simatic cp 1543-1 firmware · siemens/simatic rf650r firmware · siemens/simatic rf680r firmware · siemens/simatic rf685r firmware · siemens/simatic cp 1616 firmware · siemens/simatic cp 1604 firmware · siemens/simatic dk-16xx pn io firmware · siemens/scalance x200 firmware · siemens/scalance x200 irt firmware · siemens/scalance x300 firmware · +40 more
- Source
- productcert@siemens.com
References
- http://www.securityfocus.com/bid/98369Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038463Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/html/ssa-293562.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-293562.pdfVendor Advisory
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-293562.pdfBroken Link
- http://www.securityfocus.com/bid/98369Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1038463Third Party Advisory, VDB Entry
- https://cert-portal.siemens.com/productcert/html/ssa-293562.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-293562.pdfVendor Advisory
- https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-293562.pdfBroken Link
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.