CVE-2020-5233
Open Redirect in OAuth2 Proxy
MEDIUM
6.1
CVSS Score
Published: January 30, 2020 at 05:45 PM UTC
Updated: June 17, 2026 at 03:21 AM UTC
2 products affected across 2 vendorsOAUTH2 ProxyOAuth2 Proxy
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Severity
MEDIUM6.1
Exploit prediction
EPSS 1%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 5.0.0
Affected range stops below 5.0.0, so it looks safe — our inference, not a vendor statement
v < 5.0.0
Affected range stops below 5.0.0, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0x_refsource_CONFIRMExploitPatchThird Party Advisory
Source: [email protected]
https://github.com/pusher/oauth2_proxy/security/advisories/GHSA-qqxw-m5fj-f7gvCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-601
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