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CVE-2016-1000110

CGIHandler: sets environmental variable based on user supplied Proxy request header

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Severity

Moderate

Red Hat Product Security

5

CVSS 3.0

Review impact separately from score.

Published · July 18, 2016

Updated · June 28, 2026

Description

It was discovered that the Python CGIHandler class did not properly protect against the HTTP_PROXY variable name clash in a CGI context. A remote attacker could possibly use this flaw to redirect HTTP requests performed by a Python CGI script to an attacker-controlled proxy via a malicious HTTP request.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

CVSS 2.0 · 5
AV:N/AC:L/Au:N/C:N/I:P/A:N

CWE-20 · Improper Input Validation