Medium severity · published May 11, 2017
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
6.5
CVSS
0.9%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DS
DK Standard Ethernet Controller Firmware · Siemens
before 4.1.1; 4.1.1 · source: NVD
E2
Ek-ertec 200 PN IO Firmware · Siemens
before 4.2.1; 4.2.1 · source: NVD
E2
Ek-ertec 200p PN IO Firmware · Siemens
before 4.4.0; 4.4.0 · source: NVD
IL
Ie/as-i Link PN IO Firmware · Siemens
All versions, or not specified · source: NVD
IF
Ie/pb-link Firmware · Siemens
before 3.0 · source: NVD
PC
Pn/pn Coupler Firmware · Siemens
before 4.0 · source: NVD
SM
Scalance M-800 Firmware · Siemens
before 4.03 · source: NVD
SS
Scalance S615 Firmware · Siemens
before 4.03 · source: NVD
SW
Scalance W700 Firmware · Siemens
before 6.1 · source: NVD
SX
Scalance X200 Firmware · Siemens
before 5.2.2 · source: NVD
SX
Scalance X200 Irt Firmware · Siemens
before 5.4.0 · source: NVD
SX
Scalance X300 Firmware · Siemens
before 4.1.0 · source: NVD
Affected product
DS
DK Standard Ethernet Controller Firmware
Siemens
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-2681
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-2681
Third Party Advisory
http://www.securityfocus.com/bid/98369
Third Party Advisory
http://www.securitytracker.com/id/1038463
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-293562.html
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-293562.pdf
Broken Link
https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-293562.pdf
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7.5
CVE-2019-10923
An attacker with network access to an affected product may cause a denial of service condition by breaking the real-time synchronization (IRT) of the affected installation
7.5
CVE-2017-12741
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6.5
CVE-2017-2680
Specially crafted PROFINET DCP broadcast packets could cause a denial of service condition of affected products on a local Ethernet segment (Layer 2)