Microchip MPLAB Net 3.6.1 TCP Initial Sequence Number random values

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Microchip MPLAB Net 3.6.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component TCP Initial Sequence Number Handler. The manipulation leads to random values. This vulnerability is traded as CVE-2020-27636. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Microchip MPLAB Net 3.6.1. This issue affects an unknown part of the component TCP Initial Sequence Number Handler. The manipulation with an unknown input leads to a random values vulnerability. Using CWE to declare the problem leads to CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. Impacted is integrity.

The weakness was shared 10/10/2023 as icsa-21-042-01. The advisory is shared at cisa.gov. The identification of this vulnerability is CVE-2020-27636 since 10/22/2020. Neither technical details nor an exploit are publicly available. 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Random values
CWE: 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: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/22/2020 🔍
10/10/2023 +1083 days 🔍
10/10/2023 +0 days 🔍
10/28/2023 +18 days 🔍

Sourcesinfo

Advisory: icsa-21-042-01
Status: Not defined

CVE: CVE-2020-27636 (🔍)
GCVE (CVE): GCVE-0-2020-27636
GCVE (VulDB): GCVE-100-241769

Entryinfo

Created: 10/10/2023 19:39
Updated: 10/28/2023 18:01
Changes: 10/10/2023 19:39 (38), 10/28/2023 18:01 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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