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.
Published 2020-01-30 19:15:12
Updated 2020-04-09 14:33:44
Source GitHub, Inc.
View at NVD,   CVE.org
Vulnerability category: Open redirect

Exploit prediction scoring system (EPSS) score for CVE-2020-5233

0.11%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 44 %
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

  • A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security-advisories@github.com (Secondary)

References for CVE-2020-5233

Products affected by CVE-2020-5233

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