Vulnerability Details : CVE-2020-15796
A vulnerability has been identified in SIMATIC ET 200SP Open Controller (incl. SIPLUS variants) (V20.8), SIMATIC S7-1500 Software Controller (V20.8). The web server of the affected products contains a vulnerability that could allow a remote attacker to trigger a denial-of-service condition by sending a specially crafted HTTP request.
Vulnerability category: Denial of service
Products affected by CVE-2020-15796
- cpe:2.3:o:siemens:simatic_s7-1500_software_controller_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_et_200sp_open_controller_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-15796
1.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-15796
| 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-2020-15796
-
An exception is thrown from a function, but it is not caught.Assigned by: productcert@siemens.com (Primary)
References for CVE-2020-15796
-
https://cert-portal.siemens.com/productcert/pdf/ssa-700697.pdf
Vendor Advisory
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