# 8831 Firmware vulnerabilities

> 8831 Firmware is made by Cisco. We track 1 published vulnerability in it, across 5 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 3 November 2021. If you run 8831 Firmware, check your version against the exploited flaws below and patch those first.

Canonical page: https://www.precursorintelligence.com/product/cisco/8831_firmware

## At a glance

- **Made by:** [Cisco](https://www.precursorintelligence.com/vendors/cisco)
- **Published vulnerabilities:** 1
- **Known to be exploited:** 1
- **Versions tracked:** 5
- **Most recently added to the known-exploited list:** [CVE-2020-3161](https://www.precursorintelligence.com/what-is/cve-2020-3161), 3 November 2021. We keep watching the list.

## Which versions of 8831 Firmware do the exploited flaws hit?

Each exploited flaw lists the versions it affects, as published.

- [CVE-2020-3161](https://www.precursorintelligence.com/what-is/cve-2020-3161) (Cisco IP Phones Web Server Remote Code Execution and Denial-of-Service Vulnerability): 10.3(1)es14, 11.0(1), 11.0(5)sr1

## Which 8831 Firmware vulnerabilities are being exploited?

1 flaw is on the government list of vulnerabilities known to be exploited, newest first:

- [CVE-2020-3161](https://www.precursorintelligence.com/what-is/cve-2020-3161): Cisco IP Phones Web Server Remote Code Execution and Denial-of-Service Vulnerability. Critical, CVSS 9.8, chance of use in 30 days 84%, known exploited since 3 November 2021.

## Which 8831 Firmware 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-2020-3161](https://www.precursorintelligence.com/what-is/cve-2020-3161): 84%, Critical (CVSS 9.8), known exploited

## Questions

### How many vulnerabilities does 8831 Firmware have?

We track 1 published vulnerability listed under the name 8831 Firmware, across 5 versions. The most recent 8831 Firmware flaw added to the known-exploited list is CVE-2020-3161, on 3 November 2021.

### Which 8831 Firmware vulnerabilities are being exploited?

1 is on the list of flaws known to be exploited. The most recently added is CVE-2020-3161.

### Which versions of 8831 Firmware do the exploited flaws affect?

Each flaw names its own versions, usually as ranges. The newest, CVE-2020-3161, affects 10.3(1)es14, 11.0(1), 11.0(5)sr1. The versions for every exploited flaw are listed on this page.

### How do I get alerts for 8831 Firmware?

Create a Precursor Intelligence account and track 8831 Firmware. 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 8831 Firmware?

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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