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Vulnerability · Published Dec 12, 2023 · Assigned by siemens

CVE-2023-46156

High 7.5

In plain English

A high-severity use-after-free in SIMATIC Drive Controller CPU 1504D TF from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 69% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)1.2%top 30.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a denial of service condition. A restart is needed to restore normal operations.

Affected products (as reported)

VendorProductVersions
Siemens SIMATIC Drive Controller CPU 1504D TF 0 – before V3.1.0
Siemens SIMATIC Drive Controller CPU 1507D TF 0 – before V3.1.0
Siemens SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) 0 – before V30.1.0
Siemens SIMATIC S7-1500 CPU 1510SP F-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1510SP F-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1510SP F-1 PN 0 – before V3.1.0
Siemens SIMATIC S7-1500 CPU 1510SP-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1510SP-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1510SP-1 PN 0 – before V3.1.0
Siemens SIMATIC S7-1500 CPU 1511-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1511-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1511-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1511-1 PN 0 – before V3.1.0
Siemens SIMATIC S7-1500 CPU 1511C-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1511C-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1511C-1 PN 0 – before V3.1.0
Siemens SIMATIC S7-1500 CPU 1511F-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1511F-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1511F-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1511F-1 PN 0 – before V3.1.0
Siemens SIMATIC S7-1500 CPU 1511T-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1511T-1 PN 0 – before V3.1.0
Siemens SIMATIC S7-1500 CPU 1511TF-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1511TF-1 PN 0 – before V3.1.0
Siemens SIMATIC S7-1500 CPU 1512C-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1512C-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1512C-1 PN 0 – before V3.1.0
Siemens SIMATIC S7-1500 CPU 1512SP F-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1512SP F-1 PN 0 – before *
Siemens SIMATIC S7-1500 CPU 1512SP F-1 PN 0 – before V3.1.0

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C

References