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Vulnerability Intelligence

Vulnerability IntelligenceCVE-2021-3116

CVE-2021-3116

HIGH7.5

before_upstream_connection in AuthPlugin in http/proxy/auth

Published Jan 11, 2021

Modified 1 years ago

Details

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).

References

https://cardaci.xyz/advisories/2021/01/10/proxy.py-2.3.0-broken-basic-authentication/

https://github.com/abhinavsingh/proxy.py/pull/482/commits/9b00093288237f5073c403f2c4f62acfdfa8ed46

https://pypi.org/project/proxy.py/2.3.1/#history

https://www.cve.org/CVERecord?id=CVE-2021-3116

CVSS Analysis

CVSS v3.1

7.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

HighI:H

Availability

NoneA:N

7.5/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Ecosystems

Timeline

PublishedJan 11, 2021

ModifiedAug 3, 2024

CVE-2021-3116 | Mondoo Vulnerability Intelligence