CERT-In Vulnerability Note
CIVN-2023-0383
Denial of Service Vulnerability in Siemens SIMATIC S7-1500 CPUs and related products
Original Issue Date:December 22, 2023
Severity Rating: HIGH
Software Affected
- SIMATIC S7-1500 CPU family and related products
Overview
A vulnerability has been reported in Siemens SIMATIC, which could allow a remote attacker to perform denial of service conditions on the target system.
Description
This vulnerability exists in Siemens SIMATIC due to improper handling of specially crafted packets sent to port 102/tcp.
Successful exploitation of this vulnerability could allow a remote attacker to perform denial of service conditions on the target system.
Workaround
- Limit access to port 102/tcp to trusted users and systems only.
Solution
Apply appropriate updates as mentioned in Siemens security Bulletin:
https://cert-portal.siemens.com/productcert/html/ssa-592380.html
Vendor Information
Siemens
https://cert-portal.siemens.com/productcert/html/ssa-592380.html
References
Siemens
https://cert-portal.siemens.com/productcert/html/ssa-592380.html
CVE Name
CVE-2023-46156
Disclaimer
The information provided herein is on "as is" basis, without warranty of any kind.
Contact Information
Email: info@cert-in.org.in Phone: +91-11-24368572
Postal address
Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India
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