Description
Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.
Published: 2020-01-30
Score: 6.5 Medium
EPSS: 3.6% Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2280-1 python3.5 security update
Debian DLA Debian DLA DLA-3432-1 python2.7 security update
EUVD EUVD EUVD-2020-29358 Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.
Ubuntu USN Ubuntu USN USN-4333-1 Python vulnerabilities
Ubuntu USN Ubuntu USN USN-4333-2 Python vulnerabilities
Ubuntu USN Ubuntu USN USN-4754-3 Python vulnerabilities
Ubuntu USN Ubuntu USN USN-5200-1 Python vulnerabilities
Ubuntu USN Ubuntu USN USN-6891-1 Python vulnerabilities
History

Mon, 14 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.04231}

epss

{'score': 0.03912}


Subscriptions

Canonical Ubuntu Linux
Debian Debian Linux
Fedoraproject Fedora
Opensuse Leap
Python Python
Redhat Enterprise Linux Rhel Software Collections
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T10:03:45.890Z

Reserved: 2020-01-30T00:00:00.000Z

Link: CVE-2020-8492

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-01-30T19:15:12.103

Modified: 2024-11-21T05:38:56.167

Link: CVE-2020-8492

cve-icon Redhat

Severity : Moderate

Publid Date: 2020-03-02T00:00:00Z

Links: CVE-2020-8492 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses