Use After Free in Siemens Simatic Drive Controller CPU 1504d Tf
CVE-2023-46156
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.012 (68.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 68.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Siemens Simatic Drive Controller CPU 1504d Tf — versions 0
- Siemens Simatic Drive Controller CPU 1504d Tf
- Siemens Simatic Drive Controller CPU 1504d Tf Firmware
- Siemens Simatic Drive Controller CPU 1507d Tf — versions 0
- Siemens Simatic Drive Controller CPU 1507d Tf
- Siemens Simatic Drive Controller CPU 1507d Tf Firmware
- Siemens Simatic Et 200sp Open Control 1515sp Pc2
- Siemens Simatic Et 200sp Open Control 1515sp Pc2 Firmware
- Siemens Simatic Et 200sp Open Controller CPU 1515sp Pc2 (Incl. Siplus Variants) — versions 0
- Siemens Simatic S7-1500 CPU 1510sp-1 Pn — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2023-46156?
- CVE-2023-46156 is a high-severity vulnerability in Siemens Simatic Drive Controller CPU 1504d Tf, classified under Use After Free. CVSS score: 7.5/10. Published 2023-12-12.
- How severe is CVE-2023-46156?
- High severity. CVSS v3 base score is 7.5 out of 10.