Siemens SCALANCE X-300/SCALANCE X-408/SIPLUS NET up to 4.0.x Factory Reset hard-coded key
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Siemens SCALANCE X-300, SCALANCE X-408 and SIPLUS NET up to 4.0.x. The impacted element is an unknown function of the component Factory Reset Handler. Executing a manipulation can lead to hard-coded key. This vulnerability is handled as CVE-2020-28395. The attack can only be done within the local network. There is not any exploit available. Upgrading the affected component is recommended.
Details
A vulnerability has been found in Siemens SCALANCE X-300, SCALANCE X-408 and SIPLUS NET up to 4.0.x and classified as problematic. This vulnerability affects an unknown code block of the component Factory Reset Handler. The manipulation with an unknown input leads to a hard-coded key vulnerability. The CWE definition for the vulnerability is CWE-321. The use of a hard-coded cryptographic key significantly increases the possibility that encrypted data may be recovered. As an impact it is known to affect confidentiality.
The weakness was released 01/13/2021 as ssa-274900. The advisory is available at cert-portal.siemens.com. This vulnerability was named CVE-2020-28395. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.
Upgrading to version 4.1.0 eliminates this vulnerability.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
License
Website
- Vendor: https://www.siemens.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.5VulDB Meta Temp Score: 4.4
VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.9
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Hard-coded keyCWE: CWE-321 / CWE-320
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: SCALANCE X-300/SCALANCE X-408/SIPLUS NET 4.1.0
Timeline
11/10/2020 🔍01/13/2021 🔍
01/13/2021 🔍
02/12/2021 🔍
Sources
Vendor: siemens.comAdvisory: ssa-274900
Status: Confirmed
CVE: CVE-2020-28395 (🔍)
GCVE (CVE): GCVE-0-2020-28395
GCVE (VulDB): GCVE-100-167746
Entry
Created: 01/13/2021 11:39Updated: 02/12/2021 17:56
Changes: 01/13/2021 11:39 (39), 02/12/2021 17:49 (5), 02/12/2021 17:56 (18)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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