Memory leak in Siemens products - CVE-2023-38380

Vulnerability identifier: #VU84394

CSH Severity: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2023-38380

CWE-ID: CWE-401

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
SIMATIC CP 1242-7 V2
SIMATIC CP 1243-1
SIMATIC CP 1243-1 DNP3
SIMATIC CP 1243-1 IEC
SIMATIC CP 1243-7 LTE
SIMATIC CP 1243-8 IRC
SIMATIC CP 1543-1
SINAMICS S210
SIPLUS NET CP 1543-1

Software vendor:
Siemens

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in the webserver implementation. A remote attacker can force the application to leak memory and perform denial of service attack.

Install updates from vendor's website.

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