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 |
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.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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 |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Hard-coded keyCWE: CWE-321 / CWE-320
ATT&CK: T1600.001
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
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 (🔍)
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: 🔍
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