CVE-2020-26800 - Vulnerability Details - OpenCVE

Description

A stack overflow vulnerability in Aleth Ethereum C++ client version <= 1.8.0 using a specially crafted a config.json file may result in a denial of service.

Published: 2021-01-11

Score: 5.5 Medium

EPSS: 1.2% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:ethereum:aleth:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-19336	A stack overflow vulnerability in Aleth Ethereum C++ client version <= 1.8.0 using a specially crafted a config.json file may result in a denial of service.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01218.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://ethereum.org/en/about/
https://github.com/ethereum/aleth
https://github.com/ethereum/aleth/issues/5917

History

No history.

Subscriptions

Ethereum Aleth

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-01-11T12:50:11.000Z

Updated: 2024-08-04T16:03:22.591Z

Reserved: 2020-10-07T00:00:00.000Z

Link: CVE-2020-26800

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-01-11T13:15:13.260

Modified: 2026-06-17T03:08:21.407

Link: CVE-2020-26800

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787
Out-of-bounds Write

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