FNET 4.6.3 TCP Initial Sequence Number random values

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in FNET 4.6.3. This affects an unknown function of the component TCP Initial Sequence Number Handler. Such manipulation leads to random values. This vulnerability is documented as CVE-2020-27633. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in FNET 4.6.3. It has been rated as problematic. Affected by this issue is an unknown function 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 released 10/10/2023 as icsa-21-042-01. The advisory is available at cisa.gov. This vulnerability is handled as CVE-2020-27633 since 10/22/2020. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

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-2020-27633 (🔍)
GCVE (CVE): GCVE-0-2020-27633
GCVE (VulDB): GCVE-100-241766

Entryinfo

Created: 10/10/2023 19:39
Updated: 10/28/2023 17:45
Changes: 10/10/2023 19:39 (37), 10/28/2023 17:45 (11)
Complete: 🔍
Cache ID: 216::103

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