CVE-2021-33503 (High) detected in urllib3-1.25.10-py2.py3-none-any.whl
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CVE-2021-33503 - High Severity Vulnerability
Vulnerable Library - urllib3-1.25.10-py2.py3-none-any.whl
HTTP library with thread-safe connection pooling, file post, and more.
Library home page: https://files.pythonhosted.org/packages/9f/f0/a391d1463ebb1b233795cabfc0ef38d3db4442339de68f847026199e69d7/urllib3-1.25.10-py2.py3-none-any.whl
Path to dependency file: /NVStatsRecorder/requirements.txt
Path to vulnerable library: /NVStatsRecorder/requirements.txt,/old/requirements.txt,/requirements.txt,/NVStatsRecorder
Dependency Hierarchy:
- ❌ urllib3-1.25.10-py2.py3-none-any.whl (Vulnerable Library)
Found in HEAD commit: aca8ce69f88c0a58a2017e6d8471267bca4729af
Found in base branch: master
Vulnerability Details
An issue was discovered in urllib3 before 1.26.5. When provided with a URL containing many @ characters in the authority component, the authority regular expression exhibits catastrophic backtracking, causing a denial of service if a URL were passed as a parameter or redirected to via an HTTP redirect.
Publish Date: 2021-06-29
URL: CVE-2021-33503
CVSS 3 Score Details (7.5)
Base Score Metrics:
- Exploitability Metrics:
- Attack Vector: Network
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Impact Metrics:
- Confidentiality Impact: None
- Integrity Impact: None
- Availability Impact: High
Suggested Fix
Type: Upgrade version
Origin: GHSA-q2q7-5pp4-w6pg
Release Date: 2021-06-29
Fix Resolution: 1.26.5
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