Input validation error in SIPROTEC 4 and Siprotec Compact - CVE-2019-19279
Published: February 12, 2020
Vulnerability identifier: #VU25267
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-19279
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
SIPROTEC 4
Siprotec Compact
SIPROTEC 4
Siprotec Compact
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the EN100 Ethernet communication modules. A remote attacker can send a specially crafted packets to Port 50000/UDP and cause a denial of service condition on the target system.
How to mitigate CVE-2019-19279
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.