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MEDIUM 6.5

CVE-2020-8492

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.

CVSS v3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS 3.0% percentile 86.6%

Affected tracked apps

Vulnerable CPE configurations

Vendor Product Platform Versions CPE 2.3 URI
python python Windows ≥2.7.0 ≤2.7.17 cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
python python Windows ≥3.5.0 ≤3.5.9 cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
python python Windows ≥3.6.0 ≤3.6.10 cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
python python Windows ≥3.7.0 ≤3.7.6 cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
python python Windows ≥3.8.0 ≤3.8.1 cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
View on NVD ↗