Vulnerability · CVE-2023-24329
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.
Published Feb 17, 2023 · catalog updated Oct 14, 2026 · An issue in the
Check this week
CVE-2023-24329 is not in CISA KEV. FIRST estimates a 20.46% chance of exploitation in the next 30 days. Check whether you run An issue in the.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (An issue in the).
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 20.46%
- Remediation
- Advisory link
- Affected products
- cpe fedoraproject/fedora · cpe netapp/active iq unified manager · cpe python/python
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe fedoraproject/fedora36
- cpe fedoraproject/fedora37
- cpe fedoraproject/fedora38
- cpe netapp/active iq unified managerversion unspecified
- cpe python/pythonversion unspecified
How to fix CVE-2023-24329
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2023-24329 is not in CISA KEV. FIRST estimates a 20.46% chance of exploitation in the next 30 days. Check whether you run An issue in the.
Which versions are affected?
Compare what you have installed with 36, 37, 38. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-20: Improper Input Validation. EPSS 20.46%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Feb 17, 2023 · NIST NVD
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2023-24329
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2023-24329
30-day exploitation probability 20.5%
first.org - NIST NVDVulnerability recordCVE-2023-24329
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.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.