Vulnerability Description
before_upstream_connection in AuthPlugin in http/proxy/auth.py in proxy.py before 2.3.1 accepts incorrect Proxy-Authorization header data because of a boolean confusion (and versus or).
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Proxy.Py Project | Proxy.Py | < 2.3.1 |
Related Weaknesses (CWE)
References
- https://cardaci.xyz/advisories/2021/01/10/proxy.py-2.3.0-broken-basic-authenticaExploitThird Party Advisory
- https://github.com/abhinavsingh/proxy.py/pull/482/commits/9b00093288237f5073c403Patch
- https://pypi.org/project/proxy.py/2.3.1/#historyProduct
- https://cardaci.xyz/advisories/2021/01/10/proxy.py-2.3.0-broken-basic-authenticaExploitThird Party Advisory
- https://github.com/abhinavsingh/proxy.py/pull/482/commits/9b00093288237f5073c403Patch
- https://pypi.org/project/proxy.py/2.3.1/#historyProduct
FAQ
What is CVE-2021-3116?
CVE-2021-3116 is a vulnerability with a CVSS score of 7.5 (HIGH). before_upstream_connection in AuthPlugin in http/proxy/auth.py in proxy.py before 2.3.1 accepts incorrect Proxy-Authorization header data because of a boolean confusion (and versus or).
How severe is CVE-2021-3116?
CVE-2021-3116 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3116?
Check the references section above for vendor advisories and patch information. Affected products include: Proxy.Py Project Proxy.Py.