Ethereum up to 2021-10-19 Proof-of-Stake denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Ethereum up to 2021-10-19. Impacted is an unknown function of the component Proof-of-Stake. Executing a manipulation can lead to denial of service. This vulnerability is handled as CVE-2021-42765. The attack can be executed remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Ethereum up to 2021-10-19. It has been declared as problematic. This vulnerability affects an unknown part of the component Proof-of-Stake. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was released 10/21/2021. The advisory is available at arxiv.org. This vulnerability was named CVE-2021-42765 since 10/20/2021. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

It is possible to download the exploit at arxiv.org. It is declared as proof-of-concept.

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

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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

10/20/2021 🔍
10/21/2021 +1 days 🔍
10/21/2021 +0 days 🔍
10/28/2021 +7 days 🔍

Sourcesinfo

Advisory: arxiv.org
Status: Not defined

CVE: CVE-2021-42765 (🔍)
GCVE (CVE): GCVE-0-2021-42765
GCVE (VulDB): GCVE-100-185146
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/21/2021 04:33
Updated: 10/28/2021 08:13
Changes: 10/21/2021 04:33 (39), 10/28/2021 08:13 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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