Vulnerability Details : CVE-2020-5233
Potential exploit
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.
Vulnerability category: Open redirect
Products affected by CVE-2020-5233
- cpe:2.3:a:oauth2_proxy_project:oauth2_proxy:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-5233
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-5233
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:H/A:L |
1.2
|
4.7
|
GitHub, Inc. |
CWE ids for CVE-2020-5233
-
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2020-5233
-
https://github.com/pusher/oauth2_proxy/releases/tag/v5.0.0
Release v5.0.0 · pusher/oauth2_proxy · GitHubRelease Notes;Third Party Advisory
-
https://github.com/pusher/oauth2_proxy/security/advisories/GHSA-qqxw-m5fj-f7gv
The pattern '/\domain.com' is not disallowed when redirecting, allowing for open redirect · Advisory · pusher/oauth2_proxy · GitHubExploit;Patch;Third Party Advisory
-
https://github.com/pusher/oauth2_proxy/commit/a316f8a06f3c0ca2b5fc5fa18a91781b313607b2
Merge pull request from GHSA-qqxw-m5fj-f7gv · pusher/oauth2_proxy@a316f8a · GitHubPatch;Third Party Advisory
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