CVE-2023-38380 Information

Description

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions) SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions) SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions) SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions) SIMATIC CP 1243-7 LTE (All versions) SIMATIC CP 1243-8 IRC (All versions) SIMATIC CP 1543-1 (All versions) SINAMICS S210 (6SL5…) (All versions >= V6.1 < V6.1 HF2) SIPLUS NET CP 1543-1 (All versions). The webserver implementation of the affected products does not correctly release allocated memory after it has been used.

An attacker with network access could use this vulnerability to cause a denial-of-service condition in the webserver of the affected product.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-693975.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5