# Urllib3 vulnerabilities

> Urllib3 is made by Python. We track 12 published vulnerabilities in it, across 71 versions. None of them is on the list of flaws known to be exploited today. If you run Urllib3, keep it on a version the vendor still supports.

Canonical page: https://www.precursorintelligence.com/product/python/urllib3

## At a glance

- **Made by:** [Python](https://www.precursorintelligence.com/vendors/python)
- **Published vulnerabilities:** 12
- **Known to be exploited:** 0
- **Versions tracked:** 71

## Which Urllib3 vulnerabilities are being exploited?

None of Urllib3's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

## Which Urllib3 flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast (the chance each flaw is used in an attack in the next 30 days):

- [CVE-2018-20060](https://www.precursorintelligence.com/what-is/cve-2018-20060): 4.5%, Critical (CVSS 9.8)
- [CVE-2020-7212](https://www.precursorintelligence.com/what-is/cve-2020-7212): 3.4%, High (CVSS 7.5)
- [CVE-2021-33503](https://www.precursorintelligence.com/what-is/cve-2021-33503): 3.3%, High (CVSS 7.5)
- [CVE-2019-11324](https://www.precursorintelligence.com/what-is/cve-2019-11324): 2.9%, High (CVSS 7.5)
- [CVE-2020-26137](https://www.precursorintelligence.com/what-is/cve-2020-26137): 2.3%, Medium (CVSS 6.5)
- [CVE-2021-28363](https://www.precursorintelligence.com/what-is/cve-2021-28363): 2.2%, Medium (CVSS 6.5)
- [CVE-2019-11236](https://www.precursorintelligence.com/what-is/cve-2019-11236): 2.1%, Medium (CVSS 6.1)
- [CVE-2023-43804](https://www.precursorintelligence.com/what-is/cve-2023-43804): 1.4%, Medium (CVSS 5.9)
- [CVE-2016-9015](https://www.precursorintelligence.com/what-is/cve-2016-9015): 0.8%, Low (CVSS 3.7)
- [CVE-2018-25091](https://www.precursorintelligence.com/what-is/cve-2018-25091): 0.6%, Medium (CVSS 6.1)

## Questions

### How many vulnerabilities does Urllib3 have?

We track 12 published vulnerabilities listed under the name Urllib3, across 71 versions.

### Which Urllib3 vulnerabilities are being exploited?

None of Urllib3's vulnerabilities is on the list of flaws known to be exploited today.

### How do I get alerts for Urllib3?

Create a Precursor Intelligence account and track Urllib3. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.

## Running Urllib3?

Precursor Intelligence keeps checking for you:

- **Tell us what you run.** Pick your software from a list, or let us work it out from your website.
- **We match it to every flaw.** Over 400,000 published flaws, checked against your list.
- **Ranked by real-world risk.** Every flaw gets a 0 to 100 risk score, kept up to date, led by evidence criminals are using it.
- **Told as soon as we know.** An alert by email, in the app or by webhook to your own tools.

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