Siemens LOGO CMR2020/LOGO CMR2040/SIMATIC RTU 3000 TCP Stack random values
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.0 | $0-$5k | 0.00 |
A vulnerability was found in Siemens LOGO CMR2020, LOGO CMR2040 and SIMATIC RTU 3000 (SCADA Software) (affected version unknown). It has been classified as problematic. This affects an unknown functionality of the component TCP Stack. The manipulation with an unknown input leads to a random values vulnerability. CWE is classifying the issue as CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. This is going to have an impact on confidentiality, integrity, and availability.
The weakness was shared 09/14/2021 as ssa-316383. The advisory is shared at cert-portal.siemens.com. This vulnerability is uniquely identified as CVE-2021-37186 since 07/21/2021. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/14/2021). MITRE ATT&CK project uses the attack technique T1600.001 for this issue.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Product
Type
Vendor
Name
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: 5.0VulDB Meta Temp Score: 5.0
VulDB Base Score: 5.0
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Exploiting
Class: Random valuesCWE: CWE-330 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍
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: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/21/2021 🔍09/14/2021 🔍
09/14/2021 🔍
09/17/2021 🔍
Sources
Vendor: siemens.comAdvisory: ssa-316383
Status: Confirmed
CVE: CVE-2021-37186 (🔍)
Entry
Created: 09/14/2021 15:54Updated: 09/17/2021 07:31
Changes: 09/14/2021 15:54 (38), 09/17/2021 07:31 (1)
Complete: 🔍
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