Contiki 4.5 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 was found in Contiki 4.5. It has been classified as problematic. This affects an unknown part of the component TCP Initial Sequence Number Handler. This manipulation causes random values. This vulnerability is handled as CVE-2020-27634. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in Contiki 4.5 and classified as problematic. Affected by this vulnerability 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. The CWE definition for the vulnerability is CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. As an impact it is known to affect integrity.

The weakness was released 10/10/2023 as icsa-21-042-01. It is possible to read the advisory at cisa.gov. This vulnerability is known as CVE-2020-27634 since 10/22/2020. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600.001 according to MITRE ATT&CK.

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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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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-2020-27634 (🔍)
GCVE (CVE): GCVE-0-2020-27634
GCVE (VulDB): GCVE-100-241771

Entryinfo

Created: 10/10/2023 19:40
Updated: 10/28/2023 18:08
Changes: 10/10/2023 19:40 (37), 10/28/2023 18:08 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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