Resource exhaustion in Siemens Simatic Cp 1604
CVE-2023-37195
A vulnerability has been identified in SIMATIC CP 1604 (All versions), SIMATIC CP 1616 (All versions), SIMATIC CP 1623 (All versions), SIMATIC CP 1626 (All versions), SIMATIC CP 1628 (All versions). Affected devices insufficiently control continuous mapping of direct memory access (DMA) requests. This could allow local attackers with administrative privileges to cause a denial of service situation on the host. A physical power cycle is required to get the system working again.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.002 (6.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Siemens Simatic Cp 1604 — versions All versions
- Siemens Simatic Cp 1604
- Siemens Simatic Cp 1604 Firmware
- Siemens Simatic Cp 1616 — versions All versions
- Siemens Simatic Cp 1616
- Siemens Simatic Cp 1616 Firmware
- Siemens Simatic Cp 1623 — versions All versions
- Siemens Simatic Cp 1623
- Siemens Simatic Cp 1623 Firmware
- Siemens Simatic Cp 1626 — versions All versions
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-784849.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-37195?
- CVE-2023-37195 is a medium-severity vulnerability in Siemens Simatic Cp 1604, classified under Uncontrolled Resource Consumption. CVSS score: 4.4/10. Published 2023-10-10.
- How severe is CVE-2023-37195?
- Medium severity. CVSS v3 base score is 4.4 out of 10.