Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-3949

Siemens SIMATIC S7-300 Profinet-enabled CPU devices with firmware before 3.2.12 and SIMATIC S7-300 Profinet-disabled CPU devices with firmware before 3.3.12 allow remote attackers to cause a denial of service (defect-mode transition) via crafted (1) ISO-TSAP or (2) Profibus packets.

Published

2016-06-27T10:59:06.580

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-399

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	siemens	simatic_s7-300_with_profitnet_support_firmware	3.2.11	Yes
Hardware	siemens	simatic_s7-300_with_profitnet_support	*	No
Hardware	siemens	simatic_s7-300_without_profitnet_support	*	No
Operating System	siemens	simatic_s7-300_without_profitnet_support_firmware	3.3.11	Yes

References

http://www.securitytracker.com/id/1036089 Third Party Advisory, VDB Entry ([email protected])
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-818183.pdf Vendor Advisory ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-818183.pdf ([email protected])
https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01 Mitigation, Third Party Advisory, US Government Resource ([email protected])
http://www.securitytracker.com/id/1036089 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-818183.pdf Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://cert-portal.siemens.com/productcert/pdf/ssa-818183.pdf (af854a3a-2127-422b-91ae-364da2661108)
https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01 Mitigation, Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)