CVE-2020-13300 - Vulnerability Details - OpenCVE

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.

Published: 2020-09-14

Score: 8 High

EPSS: 1.3% Low

KEV: No

Impact:

Action:

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

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 vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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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.

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.

The EPSS score is 0.01292.

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

Mon, 14 Jul 2025 13:45:00 +0000

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

Subscriptions

Gitlab Gitlab

MITRE

Status: PUBLISHED

Assigner: GitLab

Published: 2020-09-14T18:34:29.000Z

Updated: 2024-08-04T12:11:19.601Z

Reserved: 2020-05-21T00:00:00.000Z

Link: CVE-2020-13300

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-09-14T19:15:10.957

Modified: 2026-06-17T02:52:54.767

Link: CVE-2020-13300

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-863
Incorrect Authorization

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