The "http-client" egg always used a HTTP_PROXY environment variable to determine whether HTTP traffic should be routed via a proxy, even when running as a CGI process
Published Jan 10, 2017
7.5
HIGHCVSS 3.0
EPSS 1.48%
Description
The "http-client" egg always used a HTTP_PROXY environment variable to determine whether HTTP traffic should be routed via a proxy, even when running as a CGI process. Under several web servers this would mean a user-supplied "Proxy" header could allow an attacker to direct all HTTP requests through a proxy (also known as a "httpoxy" attack). This affects all versions of http-client before 0.10.
Affected products
No data.
- ≤ 0.9
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.48% (0.01476) | 72.91th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.48% (0.01476) | 70.38th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.70% (0.00697) | 70.24th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.13% (0.00134) | 50.25th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.13% (0.00134) | 48.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00134) | 46.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
References (2)
- http://lists.gnu.org/archive/html/chicken-announce/2016-07/msg00000.html mailing-listx_refsource_MLISTMitigationThird Party Advisory
- http://www.securityfocus.com/bid/92105 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://lists.gnu.org/archive/html/chicken-announce/2016-07/msg00000.html | mailing-listx_refsource_MLISTMitigationThird Party Advisory | |
| http://www.securityfocus.com/bid/92105 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.