CVE-2023-24329

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2023-02-17. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 20%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
—
EPSS
97.2%
KEV
Not listed

Published

February 17, 2023

Last Modified

November 3, 2025

References (56)

Vendor Advisories for CVE-2023-24329(20)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntupython3.8-doc (3.8.10-0ubuntu1~20.04.8) @ focal2026-05-25ubuntu
ubuntupython3.9-venv (3.9.5-3ubuntu0~20.04.1+esm2) @ focal2026-05-25ubuntu
ubuntupython2.7-minimal (2.7.18-1~20.04.7) @ focal2026-05-25ubuntu
ubuntupython3.9 (3.9.5-3ubuntu0~20.04.1+esm1) @ focal2026-05-25ubuntu
redhatrh-python38-python-0:3.8.18-2.el72023-11-08redhat
redhatredhat-virtualization-host-0:4.5.3-202307191258_8.62023-07-26redhat
redhatpython3.9-0:3.9.10-4.el9_0.12023-07-18redhat
redhatpython38:3.8-8020020230628091203.8c0020b92023-07-12redhat
redhatpython38-devel:3.8-8060020230627164849.e505919a2023-07-12redhat
redhatpython39:3.9-8040020230614130711.63cd9eba2023-07-10redhat
redhatpython38:3.8-8040020230626111739.6dfe838a2023-07-10redhat
redhatpython3-0:3.6.8-15.1.el8_1.12023-06-29redhat
redhatpython3-0:3.6.8-24.el8_2.12023-06-29redhat
redhatpython27:2.7-8040020230613113051.7c6da4642023-06-29redhat
redhatpython3-0:3.6.8-39.el8_4.22023-06-29redhat
redhatpython27:2.7-8010020230614130243.208b345f2023-06-29redhat
redhatpython39-devel:3.9-8080020230531142208.93c2fc2f2023-06-27redhat
redhatpython27:2.7-8060020230612150703.2aa69ce42023-06-27redhat
redhatpython3-0:3.6.8-47.el8_6.12023-06-26redhat
redhatpython27:2.7-8020020230614130117.c9f5743f2023-06-22redhat
redhatpython38-devel:3.8-8080020230531142020.a822e92f2023-06-22redhat
redhatpython39-devel:3.9-8060020230614130816.6a6313992023-06-22redhat
redhatpython27:2.7-8080020230609134836.392b0bf12023-06-22redhat
redhatpython3-0:3.6.8-51.el8_8.12023-06-14redhat
redhatpython3.11-0:3.11.2-2.el9_2.12023-06-14redhat
redhatpython3.11-0:3.11.2-2.el8_8.12023-06-14redhat
redhatpython3.9-0:3.9.16-1.el9_2.12023-06-14redhat
redhatpython3-0:3.6.8-19.el7_92023-06-09redhat
redhatpython-0:2.7.5-93.el7_92023-06-09redhat
redhatpython-0:2.6.6-69.el6_102023-06-08redhat

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.

Weakness Classification(1)

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

Additional Vendor Advisories

(7)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 13× in last 7d / 47× 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 104 total refreshes for this CVE.

  1. 2026-07-22 23:07 UTCEG score recompute
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Frequently asked(5)

What is CVE-2023-24329?
CVE-2023-24329 is a high vulnerability published on February 17, 2023. An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters.
When was CVE-2023-24329 disclosed?
CVE-2023-24329 was first published in the National Vulnerability Database on February 17, 2023, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-24329 actively exploited?
CVE-2023-24329 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 97.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-24329?
CVE-2023-24329 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2023-24329?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-24329, 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.

Dependency Blast Radius

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