CVE-2016-1000110

MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 5%CVSS: 6.1Exploit: None knownExposed: 0

A fix is available — apply it.

The CGIHandler class in Python before 2.7.12 does not protect against the HTTP_PROXY variable name clash in a CGI script, which could allow a remote attacker to redirect HTTP requests.

CVSS v3
6.1
EG Score
6.1(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity61% × 45%
Exploitation5% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
5%
EPSS %ILE
91%
KEV
Not listed

Published

November 27, 2019

Last Modified

November 21, 2024

References (10)

Patch Availability(6)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntupython3.4-venv (3.4.3-1ubuntu1~14.04.5) @ trusty2026-05-27ubuntu
redhatrh-python34-python-0:3.4.2-13.el72016-08-18redhat
redhatpython33-python-0:3.3.2-16.el72016-08-18redhat
redhatrh-python35-python-0:3.5.1-9.el72016-08-18redhat
redhatpython-0:2.7.5-38.el7_22016-08-18redhat
redhatpython27-python-0:2.7.8-16.el72016-08-18redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
python2.7—2.7.12-2—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(6)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 116 total refreshes for this CVE.

  1. 2026-08-25 13:44 UTCEPSS rescore
  2. 2026-08-23 00:13 UTCEPSS rescore
  3. 2026-08-21 23:44 UTCEPSS rescore
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  4. 2026-07-23 01:21 UTCEG score recompute
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  11. 2026-07-20 01:08 UTCOSV refresh
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Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2016-1000110?
CVE-2016-1000110 is a medium vulnerability published on November 27, 2019. The CGIHandler class in Python before 2.7.12 does not protect against the HTTP_PROXY variable name clash in a CGI script, which could allow a remote attacker to redirect HTTP requests.
When was CVE-2016-1000110 disclosed?
CVE-2016-1000110 was first published in the National Vulnerability Database on November 27, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2016-1000110 actively exploited?
CVE-2016-1000110 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5% probability of exploitation in the next 30 days, which ranks it in the top 9.2% of all scored CVEs.
What is the CVSS score of CVE-2016-1000110?
CVE-2016-1000110 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2016-1000110?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2016-1000110, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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