CVE-2020-8133 - Vulnerability Details - OpenCVE

Description

A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file.

Published: 2020-11-09

Score: 5.3 Medium

EPSS: < 1% Very 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

Nextcloud Server

affected

Version	Status	Constraints
`19.0.2`	affected	—

Configuration 1 [-]

cpe:2.3:a:nextcloud:nextcloud_server:19.0.1:*:*:*:*:*:*:*

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-2020-29034	A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00725.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://hackerone.com/reports/661051
https://hackerone.com/reports/661051%2C
https://nextcloud.com/security/advisory/?id=NC-SA-2020-038

History

No history.

Subscriptions

Nextcloud Nextcloud Server

MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2020-11-09T14:25:24.000Z

Updated: 2024-08-04T09:48:25.594Z

Reserved: 2020-01-28T00:00:00.000Z

Link: CVE-2020-8133

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-11-09T15:15:13.367

Modified: 2026-06-17T03:25:55.093

Link: CVE-2020-8133

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-347
Improper Verification of Cryptographic Signature
CWE-657
Violation of Secure Design Principles

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