Vulnerability · NVD
CVE-2020-8492
MEDIUM 6.5
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.
Attack vector : Network
No privileges required
Show raw CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS
6.62%
above median
percentile 93.2%
Tracked apps referencing this CVE
For each app: the affected range, the fixing version, and where the tracked app stands today.
NVD references 5 distinct products for this CVE — only those tracked by Scout (mobile and desktop catalog apps) are listed above. Libraries, servers and out-of-scope products do not appear here. Full list on NVD ↗
Vulnerable CPE configurations (5)
| Vendor | Product | Platform | Versions | CPE 2.3 URI |
|---|---|---|---|---|
| python |
python All platforms (wildcard)
|
All platforms (wildcard) | ≥2.7.0 ≤2.7.17 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| python |
python All platforms (wildcard)
|
All platforms (wildcard) | ≥3.5.0 ≤3.5.9 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| python |
python All platforms (wildcard)
|
All platforms (wildcard) | ≥3.6.0 ≤3.6.10 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| python |
python All platforms (wildcard)
|
All platforms (wildcard) | ≥3.7.0 ≤3.7.6 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |
| python |
python All platforms (wildcard)
|
All platforms (wildcard) | ≥3.8.0 ≤3.8.1 | cpe:2.3:a:python:python:*:*:*:*:*:*:*:* |