What is CVE-2020-7212?

CVE-2020-7212 is a high-severity vulnerability in Python Urllib3, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-03-06.

How severe is CVE-2020-7212?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Python Urllib3

CVE-2020-7212

The _encode_invalid_chars function in util/url.py in the urllib3 library 1.25.2 through 1.25.7 for Python allows a denial of service (CPU consumption) because of an inefficient algorithm. The percent_encodings array contains all matches of…

Vulnerability class: DoS (Denial of Service)

EPSS: 0.033 (87.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Python Urllib3
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-7212?: CVE-2020-7212 is a high-severity vulnerability in Python Urllib3, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2020-03-06.
How severe is CVE-2020-7212?: High severity. CVSS v3 base score is 7.5 out of 10.