Vulnerability in Siemens Simatic Mv400 Family
CVE-2020-25241
A vulnerability has been identified in SIMATIC MV400 family (All Versions < V7.0.6). The underlying TCP stack of the affected products does not correctly validate the sequence number for incoming TCP RST packages. An attacker could exploit this to terminate arbitrary TCP sessions.
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: 0.010 (62.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Siemens Simatic Mv400 Family — versions All Versions < V7.0.6
- Siemens Simatic Mv420 Sr-B
- Siemens Simatic Mv420 Sr-B Body
- Siemens Simatic Mv420 Sr-B Body Firmware
- Siemens Simatic Mv420 Sr-B Firmware
- Siemens Simatic Mv420 Sr-P
- Siemens Simatic Mv420 Sr-P Body
- Siemens Simatic Mv420 Sr-P Body Firmware
- Siemens Simatic Mv420 Sr-P Firmware
- Siemens Simatic Mv440 Hr
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-25241?
- CVE-2020-25241 is a high-severity vulnerability in Siemens Simatic Mv400 Family, classified under CWE-1285. CVSS score: 7.5/10. Published 2021-03-15.
- How severe is CVE-2020-25241?
- High severity. CVSS v3 base score is 7.5 out of 10.