Silicon uC TCP-IP 3.6.0 TCP Initial Sequence Number random values
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.7 | $0-$5k | 0.00 |
Summary
A vulnerability described as problematic has been identified in Silicon uC TCP-IP 3.6.0. The affected element is an unknown function of the component TCP Initial Sequence Number Handler. The manipulation results in random values. This vulnerability is cataloged as CVE-2020-27630. The attack may be launched remotely. There is no exploit available.
Details
A vulnerability was found in Silicon uC TCP-IP 3.6.0. It has been classified as problematic. Affected is an unknown code block of the component TCP Initial Sequence Number Handler. 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 integrity.
The weakness was shared 10/10/2023 as icsa-21-042-01. The advisory is shared for download at cisa.gov. This vulnerability is traded as CVE-2020-27630 since 10/22/2020. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1600.001.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Once again VulDB remains the best source for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.7VulDB Meta Temp Score: 6.7
VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Random valuesCWE: CWE-330 / CWE-310
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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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
10/22/2020 🔍10/10/2023 🔍
10/10/2023 🔍
10/28/2023 🔍
Sources
Advisory: icsa-21-042-01Status: Not defined
CVE: CVE-2020-27630 (🔍)
GCVE (CVE): GCVE-0-2020-27630
GCVE (VulDB): GCVE-100-241764
Entry
Created: 10/10/2023 19:38Updated: 10/28/2023 17:30
Changes: 10/10/2023 19:38 (38), 10/28/2023 17:30 (11)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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