PT-2023-7608 · Siemens · Simatic S7-1500 Cpu Family

Maurice Joren + 1 · Published 2023-12-12 · Updated 2024-03-12 · CVE-2023-46156

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Siemens SIMATIC S7-1500 CPU Family (affected versions not specified)

Description The issue is related to a use-after-free vulnerability in the software of programmable logic controllers. This could allow a remote attacker to cause a denial of service condition by sending specially crafted packets to port 102/tcp. A restart is needed to restore normal operations.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2023-08668

CVE-2023-46156

Affected Products

Simatic S7-1500 Cpu Family

References · 9

• https://bdu.fstec.ru/vul/2023-08668 · Security Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-592380.pdf · Vendor Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-280603.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-46156 · Security Note
• https://osv.dev/vulnerability/CVE-2023-46156 · Vendor Advisory
• https://cert-portal.siemens.com/productcert/html/ssa-592380.html · Note
• https://cert-portal.siemens.com/productcert/html/ssa-280603.html · Note
• https://twitter.com/CVEnew/status/1734537934114627898 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1734569113379348587 · Twitter Post