Vulnerability in Siemens Simatic Hmi Comfort Outdoor Panels 15\"
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.016 (76.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · 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 (Vendor Advisory)
- us-cert.cisa.gov/ics/advisories/icsa-21-131-12 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-25662?
- CVE-2021-25662 is a high-severity vulnerability in Siemens Simatic Hmi Comfort Outdoor Panels 15\", classified under Improper Handling of Exceptional Conditions. CVSS score: 7.5/10. Published 2021-05-12.
- How severe is CVE-2021-25662?
- High severity. CVSS v3 base score is 7.5 out of 10.