CVE-2020-8150

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Published Nov 9, 2020 CVSS 3.1 · 4.1 Medium EPSS < 1% KEV · Not listed

Description

A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.

Affected Products

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:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2020-29044	A cryptographic issue in Nextcloud Server 19.0.1 allowed an attacker to downgrade the encryption scheme and break the integrity of encrypted files.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.289% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://seclists.org/fulldisclosure/2020/Dec/55
http://seclists.org/fulldisclosure/2020/Dec/57
http://seclists.org/fulldisclosure/2020/Dec/58
https://hackerone.com/reports/742588
https://nextcloud.com/security/advisory/?id=NC-SA-2020-039

History

No history.

Subscriptions

Nextcloud Nextcloud Server

Weaknesses

Sources

CVE record Updated: Aug 4, 2024, 9:48 AM

Status: PUBLISHED
Assigner: hackerone
Published: Nov 9, 2020, 2:19 PM
Updated: Aug 4, 2024, 9:48 AM
Reserved: Jan 28, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:25 AM

Status: Modified
Published: Nov 9, 2020, 3:15 PM
Modified: Jun 17, 2026, 3:25 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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