Siemens SIMATIC MV400 up to 7.0.5 ISN Generator initialization
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in Siemens SIMATIC MV400 up to 7.0.5 (SCADA Software). It has been rated as problematic. This issue affects an unknown functionality of the component ISN Generator. The manipulation with an unknown input leads to a initialization vulnerability. Using CWE to declare the problem leads to CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. Impacted is confidentiality, integrity, and availability.
The weakness was presented 03/11/2021 as ssa-599268. The advisory is shared at cert-portal.siemens.com. The identification of this vulnerability is CVE-2020-27632. Neither technical details nor an exploit are publicly available.
Upgrading to version 7.0.6 eliminates this vulnerability.
Product
Type
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: 6.5VulDB Meta Temp Score: 6.4
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
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: InitializationCWE: CWE-665
ATT&CK: Unknown
Local: No
Remote: Yes
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: SIMATIC MV400 7.0.6
Timeline
10/22/2020 🔍03/11/2021 🔍
03/11/2021 🔍
03/30/2021 🔍
Sources
Vendor: siemens.comAdvisory: ssa-599268
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2020-27632 (🔍)
Entry
Created: 03/11/2021 09:16Updated: 03/30/2021 22:36
Changes: 03/11/2021 09:16 (39), 03/30/2021 22:30 (6), 03/30/2021 22:36 (18)
Complete: 🔍
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