CVE-2021-39137

Consensus flaw during block processing in go-ethereum

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

go-ethereum is the official Go implementation of the Ethereum protocol. In affected versions a consensus-vulnerability in go-ethereum (Geth) could cause a chain split, where vulnerable versions refuse to accept the canonical chain. Further details about the vulnerability will be disclosed at a later date. A patch is included in the upcoming `v1.10.8` release. No workaround are available.

go-ethereum es la implementación oficial Go del protocolo Ethereum. En versiones afectadas, una vulnerabilidad de consenso en go-ethereum (Geth) podría causar una división de cadena, donde las versiones vulnerables se niegan a aceptar la cadena canónica. Más adelante se divulgarán más detalles sobre la vulnerabilidad. Se incluye un parche en la próxima versión "v1.10.8". No se presentan soluciones disponibles.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-16 CVE Reserved
2021-08-24 CVE Published
2024-05-09 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-436: Interpretation Conflict

CAPEC

References (2)

URL	Tag	Source
https://github.com/ethereum/go-ethereum/releases/tag/v1.10.8	Third Party Advisory
https://github.com/ethereum/go-ethereum/security/advisories/GHSA-9856-9gg9-qcmq	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ethereum Search vendor "Ethereum"		Go Ethereum Search vendor "Ethereum" for product "Go Ethereum"				>= 1.10.0 < 1.10.8 Search vendor "Ethereum" for product "Go Ethereum" and version " >= 1.10.0 < 1.10.8"		-		Affected