CVE-2021-27385
Summary
| CVE | CVE-2021-27385 |
|---|---|
| State | PUBLISHED |
| Assigner | siemens |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-05-12 14:15:11 UTC |
| Updated | 2026-06-02 20:16:27 UTC |
| 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). A remote attacker could send specially crafted packets to SmartVNC device layout handler on client side, which could influence the amount of resources consumed and result in a Denial-of-Service (infinite loop) condition. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-400 | CWE-835 | CWE-400 CWE-400: Uncontrolled Resource Consumption
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | ADP | DECLARED | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 5 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:N/AC:L/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Siemens | SIMATIC HMI Comfort Outdoor Panels V15 7 15 Incl. SIPLUS Variants | affected All versions < V15.1 Update 6 | Not specified |
| CNA | Siemens | SIMATIC HMI Comfort Outdoor Panels V16 7 15 Incl. SIPLUS Variants | affected All versions < V16 Update 4 | Not specified |
| CNA | Siemens | SIMATIC HMI Comfort Panels V15 4 - 22 Incl. SIPLUS Variants | affected All versions < V15.1 Update 6 | Not specified |
| CNA | Siemens | SIMATIC HMI Comfort Panels V16 4 - 22 Incl. SIPLUS Variants | affected All versions < V16 Update 4 | Not specified |
| CNA | Siemens | SIMATIC HMI KTP Mobile Panels V15 KTP400F KTP700 KTP700F KTP900 And KTP900F | affected All versions < V15.1 Update 6 | Not specified |
| CNA | Siemens | SIMATIC HMI KTP Mobile Panels V16 KTP400F KTP700 KTP700F KTP900 And KTP900F | affected All versions < V16 Update 4 | Not specified |
| CNA | Siemens | SIMATIC WinCC Runtime Advanced V15 | affected All versions < V15.1 Update 6 | Not specified |
| CNA | Siemens | SIMATIC WinCC Runtime Advanced V16 | affected All versions < V16 Update 4 | Not specified |
| CNA | Siemens | SINAMICS GH150 | affected All versions | Not specified |
| CNA | Siemens | SINAMICS GL150 With Option X30 | affected All versions | Not specified |
| CNA | Siemens | SINAMICS GM150 With Option X30 | affected All versions | Not specified |
| CNA | Siemens | SINAMICS SH150 | affected All versions | Not specified |
| CNA | Siemens | SINAMICS SL150 | affected All versions | Not specified |
| CNA | Siemens | SINAMICS SM120 | affected All versions | Not specified |
| CNA | Siemens | SINAMICS SM150 | affected All versions | Not specified |
| CNA | Siemens | SINAMICS SM150i | affected All versions | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf | af854a3a-2127-422b-91ae-364da2661108 | cert-portal.siemens.com | Vendor Advisory |
| Siemens SIMATIC SmartVNC HMI WinCC Products | CISA | af854a3a-2127-422b-91ae-364da2661108 | us-cert.cisa.gov | Third Party Advisory, US Government Resource |
| cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf | af854a3a-2127-422b-91ae-364da2661108 | cert-portal.siemens.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.