CVE-2020-13300

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Published Sep 14, 2020 CVSS 3.1 · 8 High EPSS 1.3% KEV · Not listed

Description

GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

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

GitLab

GitLab

affected

Version	Status	Constraints
`>=13.3, <13.3.4`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*

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-2020-5560	GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.3% (1.257% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13300.json
https://gitlab.com/gitlab-org/gitlab/-/issues/219931
https://hackerone.com/reports/884766

History

Jul 14, 2025 1:45 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00234}`	epss `{'score': 0.00232}`

Subscriptions

Gitlab Gitlab

Weaknesses

CWE-863

Sources

CVE record Updated: Aug 4, 2024, 12:11 PM

Status: PUBLISHED
Assigner: GitLab
Published: Sep 14, 2020, 6:34 PM
Updated: Aug 4, 2024, 12:11 PM
Reserved: May 21, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 2:52 AM

Status: Modified
Published: Sep 14, 2020, 7:15 PM
Modified: Jun 17, 2026, 2:52 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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