Vulnerability Details : CVE-2020-7584
A vulnerability has been identified in SIMATIC S7-200 SMART CPU family (All versions >= V2.2 < V2.5.1). Affected devices do not properly handle large numbers of new incomming connections and could crash under certain circumstances. An attacker may leverage this to cause a Denial-of-Service situation.
Vulnerability category: Denial of service
Products affected by CVE-2020-7584
- Siemens » Simatic S7-200 Smart Sr Cpu FirmwareVersions from including (>=) 2.2 and before (<) 2.5.1cpe:2.3:o:siemens:simatic_s7-200_smart_sr_cpu_firmware:*:*:*:*:*:*:*:*
- Siemens » Simatic S7-200 Smart St Cpu FirmwareVersions from including (>=) 2.2 and before (<) 2.5.1cpe:2.3:o:siemens:simatic_s7-200_smart_st_cpu_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7584
0.39%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7584
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-7584
-
The product does not properly control the allocation and maintenance of a limited resource.Assigned by:
- nvd@nist.gov (Primary)
- productcert@siemens.com (Secondary)
References for CVE-2020-7584
-
https://cert-portal.siemens.com/productcert/pdf/ssa-589181.pdf
Vendor Advisory
Jump to