Vulnerability Details : CVE-2020-15798
A vulnerability has been identified in SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions < V16 Update 3a), SIMATIC HMI KTP Mobile Panels (All versions < V16 Update 3a), SINAMICS GH150 (All versions), SINAMICS GL150 (with option X30) (All versions), SINAMICS GM150 (with option X30) (All versions), SINAMICS SH150 (All versions), SINAMICS SL150 (All versions), SINAMICS SM120 (All versions), SINAMICS SM150 (All versions), SINAMICS SM150i (All versions). Affected devices with enabled telnet service do not require authentication for this service. This could allow a remote attacker to gain full access to the device. (ZDI-CAN-12046)
Products affected by CVE-2020-15798
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16.0:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16.0:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16.0:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_firmware:16.0:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_gh150_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_gl150_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_gm150_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_sl150_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_sm120_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16.0:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16.0:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16.0:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_firmware:16.0:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_sm150_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_sh150_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:sinamics_sm150i_firmware:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-15798
1.18%
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-2020-15798
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-15798
-
The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.Assigned by:
- nvd@nist.gov (Secondary)
- productcert@siemens.com (Primary)
References for CVE-2020-15798
-
https://cert-portal.siemens.com/productcert/pdf/ssa-520004.pdf
Vendor Advisory
-
https://cert-portal.siemens.com/productcert/pdf/ssa-752103.pdf
Patch;Vendor Advisory
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-033-02
Siemens SIMATIC HMI Comfort Panels & SIMATIC HMI KTP Mobile Panels | CISAThird Party Advisory;US Government Resource
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