PT-2024-8716 · Siemens · Simatic Cp 1543Sp-1

Published 2024-11-11 · Updated 2025-09-22 · CVE-2024-50310

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions SIMATIC CP 1543-1 versions 4.0.44 through 4.0.49

Description The issue is related to improper authorization handling in the SIMATIC CP 1543-1 communication module's firmware. This could allow an unauthenticated remote attacker to bypass existing security restrictions and gain access to the filesystem.

Recommendations For versions 4.0.44 through 4.0.49, update to version 4.0.50 or later to secure the system. As a temporary workaround, consider restricting access to the filesystem until a patch is applied.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

BDU:2024-10319

CVE-2024-50310

Affected Products

Simatic Cp 1543Sp-1

References · 9

• https://cert-portal.siemens.com/productcert/html/ssa-654798.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-50310 · Security Note
• https://osv.dev/vulnerability/CVE-2024-50310 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-10319 · Security Note
• https://t.me/cvedetector/10604 · Telegram Post
• https://twitter.com/UndercodeNews/status/1856888349786607743 · Twitter Post
• https://twitter.com/dailycve/status/1970143635212546454 · Twitter Post
• https://twitter.com/CveFindCom/status/1856329177223278815 · Twitter Post
• https://twitter.com/CVEnew/status/1856321742366495150 · Twitter Post