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.
EPSS: 0.010 (60.2th percentile) — read the EPSS interpretation.
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.
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
- productcert@siemens.com (x_refsource_MISC, 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.