Vulnerability in Siemens Simatic Hmi Comfort Outdoor Panels 15\"
CVE-2021-27384
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Siemens Simatic Hmi Comfort Outdoor Panels 15\"
- Siemens Simatic Hmi Comfort Outdoor Panels 15\" Firmware — versions 16, 15.1
- Siemens Simatic Hmi Comfort Outdoor Panels 7\"
- Siemens Simatic Hmi Comfort Outdoor Panels 7\" Firmware — versions 16, 15.1
- Siemens Simatic Hmi Comfort Outdoor Panels V15 7\" & 15\" (Incl. Siplus Variants) — versions All versions < V15.1 Update 6
- Siemens Simatic Hmi Comfort Outdoor Panels V16 7\" & 15\" (Incl. Siplus Variants) — versions All versions < V16 Update 4
- Siemens Simatic Hmi Comfort Panels 22\"
- Siemens Simatic Hmi Comfort Panels 22\" Firmware — versions 16, 15.1
- Siemens Simatic Hmi Comfort Panels 4\"
- Siemens Simatic Hmi Comfort Panels 4\" Firmware — versions 16, 15.1
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf (Patch, Vendor Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf (Patch, Vendor Advisory)
- us-cert.cisa.gov/ics/advisories/icsa-21-131-11 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-27384?
- CVE-2021-27384 is a critical-severity vulnerability in Siemens Simatic Hmi Comfort Outdoor Panels 15\", classified under CWE-788. CVSS score: 9.8/10. Published 2021-05-12.
- How severe is CVE-2021-27384?
- Critical severity. CVSS v3 base score is 9.8 out of 10.