Vulnerability · Published Mar 15, 2021 · Assigned by siemens
CVE-2020-25241
High 7.5
In plain English
A high-severity security flaw in SIMATIC MV400 family from Siemens. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.1%top 35.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Siemens | SIMATIC MV400 family | All Versions < V7.0.6 |
Weakness: CWE-1285
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf x_refsource_MISC