CVE-2020-5233

Open Redirect in OAuth2 Proxy

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Published Jan 30, 2020 CVSS 3.1 · 5.9 Medium EPSS 1.3% KEV · Not listed

Description

OAuth2 Proxy before 5.0 has an open redirect vulnerability. Authentication tokens could be silently harvested by an attacker. This has been patched in version 5.0.

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

pusher

OAuth2 Proxy

affected

Version	Status	Constraints
`< 5.0.0`	affected	—

Configuration 1 [-]

cpe:2.3:a:oauth2_proxy_project:oauth2_proxy:*:*:*:*:*:*:*:*

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-2021-2572	OAuth2 Proxy before 5.0 has an open redirect vulnerability. Authentication tokens could be silently harvested by an attacker. This has been patched in version 5.0.
Github GHSA	GHSA-qqxw-m5fj-f7gv	The pattern '/\domain.com' is not disallowed when redirecting, allowing for open redirect

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact Low

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: 1.3% (1.304% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2
https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0
https://github.com/pusher/oauth2_proxy/security/advisories/GHSA-qqxw-m5fj-f7gv

History

No history.

Subscriptions

Oauth2 Proxy Project Oauth2 Proxy

Weaknesses

CWE-601

Sources

CVE record Updated: Aug 4, 2024, 8:22 AM

Status: PUBLISHED
Assigner: GitHub_M
Published: Jan 30, 2020, 5:45 PM
Updated: Aug 4, 2024, 8:22 AM
Reserved: Jan 2, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:21 AM

Status: Modified
Published: Jan 30, 2020, 7:15 PM
Modified: Jun 17, 2026, 3:21 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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