CWE Code: 20
Vulnerability Type: privilege_escalation
CVSS Score: 7.8
CWE Name:  Improper Input Validation
Summary: a vulnerability has been identified in simatic s7-1500 cpu (all versions >= v2.0 and < v2.5), simatic s7-1500 cpu (all versions <= v1.8.5). specially crafted network packets sent to port 80/tcp or 443/tcp could allow an unauthenticated remote attacker to cause a denial-of-service condition of the device. the security vulnerability could be exploited by an attacker with network access to the affected systems on port 80/tcp or 443/tcp. successful exploitation requires no system privileges and no user interaction. an attacker could use the vulnerability to compromise availability of the device. at the time of advisory publication no public exploitation of this security vulnerability was known.
Access Authentication: NONE
Access Complexity: LOW
Access Vector: NETWORK
Impact (C/I/A): NONE/NONE/COMPLETE
Published Date: 2019-04-17
Last Modified Date: 2019-04-18