CVE-2021-27384
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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), 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). SmartVNC has an out-of-bounds memory access vulnerability in the device layout handler, represented by a binary data stream on client side, which can potentially result in code execution.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.56% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-788
- Affected
- siemens/simatic wincc runtime advanced · siemens/sinamics sh150 firmware · siemens/sinamics sm150i firmware · siemens/sinamics gh150 firmware · siemens/sinamics gl150 firmware · siemens/sinamics gm150 firmware · siemens/sinamics sl150 firmware · siemens/sinamics sm120 firmware · siemens/sinamics sm150 firmware · siemens/simatic hmi comfort outdoor panels 7\" firmware · siemens/simatic hmi comfort outdoor panels 15\" firmware · siemens/simatic hmi comfort panels 4\" firmware · siemens/simatic hmi comfort panels 22\" 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
- Source
- productcert@siemens.com
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdfPatch, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdfPatch, Vendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11Third Party Advisory, US Government Resource
- https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdfPatch, Vendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdfPatch, Vendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.