Integer overflow in Siemens products - CVE-2020-13988
Published: December 10, 2020
Vulnerability identifier: #VU48916
CSH Severity: Low
CVSS v4.0: CVSS: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:U/U:Clear
CVE-ID: CVE-2020-13988
CWE-ID: CWE-190
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Siemens
Affected software:
SENTRON PAC3200
SENTRON PAC4200
SIRIUS 3RW5 communication module Modbus TCP
SENTRON PAC3200
SENTRON PAC4200
SIRIUS 3RW5 communication module Modbus TCP
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow. A remote attacker on the local network can send a specially crafted IP packet, trigger integer overflow and cause a denial of service on the target system.
How to mitigate CVE-2020-13988
Install updates from vendor's website.