# P802.1q vulnerabilities

> P802.1q is made by Ietf. We track 4 published vulnerabilities in it, across 1 version. None of them is on the list of flaws known to be exploited today. If you run P802.1q, keep it on a version the vendor still supports.

Canonical page: https://www.precursorintelligence.com/product/ietf/p802.1q

## At a glance

- **Made by:** [Ietf](https://www.precursorintelligence.com/vendors/ietf)
- **Published vulnerabilities:** 4
- **Known to be exploited:** 0
- **Versions tracked:** 1

## Which P802.1q vulnerabilities are being exploited?

None of P802.1q's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

## Which P802.1q 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-2021-27853](https://www.precursorintelligence.com/what-is/cve-2021-27853): 0.8%, Medium (CVSS 4.7)
- [CVE-2021-27854](https://www.precursorintelligence.com/what-is/cve-2021-27854): 0.7%, Medium (CVSS 4.7)
- [CVE-2021-27862](https://www.precursorintelligence.com/what-is/cve-2021-27862): 0.7%, Medium (CVSS 4.7)
- [CVE-2021-27861](https://www.precursorintelligence.com/what-is/cve-2021-27861): 0.7%, Medium (CVSS 4.7)

## Questions

### How many vulnerabilities does P802.1q have?

We track 4 published vulnerabilities listed under the name P802.1q, across 1 version.

### Which P802.1q vulnerabilities are being exploited?

None of P802.1q's vulnerabilities is on the list of flaws known to be exploited today.

### How do I get alerts for P802.1q?

Create a Precursor Intelligence account and track P802.1q. 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 P802.1q?

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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