CVE-2021-25661
7.5 highEPSS 1.2%
High (7.5) in siemens. EPSS 1.2% chance of exploitation in the next 30 days.
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 has an out-of-bounds memory access vulnerability that could be triggered on the client side when sending data from the server, which could result in a Denial-of-Service condition.
Severity
CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)
- CWE
- CWE-788
- Published
- Modified
- Record from
- the NVD, synced
Affected
- siemens:simatic_hmi_comfort_outdoor_panels_15\"_firmware
- siemens:simatic_hmi_comfort_outdoor_panels_7\"_firmware
- siemens:simatic_hmi_comfort_panels_22\"_firmware
- siemens:simatic_hmi_comfort_panels_4\"_firmware
- siemens:simatic_hmi_ktp_mobile_panels_ktp400f_firmware
- siemens:simatic_hmi_ktp_mobile_panels_ktp700_firmware
- siemens:simatic_hmi_ktp_mobile_panels_ktp700f_firmware
- siemens:simatic_hmi_ktp_mobile_panels_ktp900_firmware
- siemens:simatic_hmi_ktp_mobile_panels_ktp900f_firmware
- siemens:simatic_wincc_runtime_advanced
References
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