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CVE-2020-5233
Open Redirect in OAuth2 Proxy
Medium5.9EPSS 1.3%
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L |
| NVDNVD · Modified | 3.1 | Medium6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.3% · top 29% of all CVEs (6 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
Affected products
- affected < 5.0.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/oauth2-proxy/oauth2-proxyGHSA-qqxw-m5fj-f7gv (opens in a new tab)
References (3)
- https://github.com/pusher/oauth2_proxy/security/advisories/GHSA-qqxw-m5fj-f7gv (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-qqxw-m5fj-f7gv (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-5233)Record last updated .