Vulnerability Details : CVE-2021-25662
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V15.1 Update 6), SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V16 Update 4), SIMATIC WinCC Runtime Advanced V15 (All versions < V15.1 Update 6), SIMATIC WinCC Runtime Advanced V16 (All versions < V16 Update 4). SmartVNC client fails to handle an exception properly if the program execution process is modified after sending a packet from the server, which could result in a Denial-of-Service condition.
Vulnerability category: Denial of service
Products affected by CVE-2021-25662
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:-:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update1:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update2:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update3:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:-:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:update1:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:update2:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:update3:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update4:*:*:*:*:*:*
- cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update5:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:15.1:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:16:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:16:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:16:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:16:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:15.1:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:15.1:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:15.1:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:15.1:update4:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware:15.1:update5:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:15.1:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:16:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:16:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:16:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:16:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:15.1:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:15.1:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:15.1:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:15.1:update4:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware:15.1:update5:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:15.1:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:16:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:16:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:16:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:16:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:15.1:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:15.1:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:15.1:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:15.1:update4:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware:15.1:update5:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:15.1:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:16:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:16:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:16:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:16:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:15.1:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:15.1:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:15.1:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:15.1:update4:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware:15.1:update5:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:15.1:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:16:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:16:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:16:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:16:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:15.1:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:15.1:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:15.1:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:15.1:update4:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware:15.1:update5:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:16:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:16:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:16:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:16:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:15.1:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:15.1:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:15.1:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:15.1:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:15.1:update4:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware:15.1:update5:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:16:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:16:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:16:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:16:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:16:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:15.1:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:15.1:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:15.1:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:15.1:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:15.1:update4:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware:15.1:update5:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:16:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:16:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:16:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:16:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:15.1:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:15.1:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:15.1:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:15.1:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:15.1:update4:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_4\"_firmware:15.1:update5:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:16:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:16:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:16:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:16:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:15.1:-:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:15.1:update1:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:15.1:update2:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:15.1:update3:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:15.1:update4:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_hmi_comfort_panels_22\"_firmware:15.1:update5:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-25662
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-25662
| 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-2021-25662
-
The product does not handle or incorrectly handles an exceptional condition.Assigned by: productcert@siemens.com (Primary)
References for CVE-2021-25662
-
https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf
Vendor Advisory
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12
Siemens SIMATIC SmartVNC HMI WinCC Products | CISAThird Party Advisory;US Government Resource
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