# IP Phone 8821-EX vulnerabilities

> IP Phone 8821-EX is made by Cisco. We track 6 published vulnerabilities listed under that exact name, across 0 versions. 1 of them is on the list of flaws known to be exploited, the newest added on 3 November 2021. Cisco lists newer releases under their own names, such as IP Phone 8821-EX Firmware, so check those pages too.

Canonical page: https://www.precursorintelligence.com/product/cisco/ip_phone_8821-ex

## At a glance

- **Made by:** [Cisco](https://www.precursorintelligence.com/vendors/cisco)
- **Published vulnerabilities:** 6
- **Known to be exploited:** 1 (listed under the name IP Phone 8821-EX)
- **Versions tracked:** 0
- **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.

## Is IP Phone 8821-EX listed under other names?

Cisco also lists IP Phone 8821-EX under more specific names, such as IP Phone 8821-EX Firmware. Flaws listed only under those names are counted on their own pages, not here.

- [IP Phone 8821-EX Firmware](https://www.precursorintelligence.com/product/cisco/ip_phone_8821-ex_firmware): 6 published vulnerabilities

## Which IP Phone 8821-EX 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 IP Phone 8821-EX 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
- [CVE-2019-1716](https://www.precursorintelligence.com/what-is/cve-2019-1716): 3.1%, Critical (CVSS 9.8)
- [CVE-2019-1763](https://www.precursorintelligence.com/what-is/cve-2019-1763): 1.9%, High (CVSS 7.5)
- [CVE-2019-1765](https://www.precursorintelligence.com/what-is/cve-2019-1765): 1.4%, Medium (CVSS 6.5)
- [CVE-2019-1764](https://www.precursorintelligence.com/what-is/cve-2019-1764): 0.7%, High (CVSS 8.8)
- [CVE-2023-20018](https://www.precursorintelligence.com/what-is/cve-2023-20018): 0.6%, Medium (CVSS 6.5)

## Questions

### How many vulnerabilities does IP Phone 8821-EX have?

We track 6 published vulnerabilities listed under the name IP Phone 8821-EX, across 0 versions. The most recent IP Phone 8821-EX flaw added to the known-exploited list is CVE-2020-3161, on 3 November 2021.

### Which IP Phone 8821-EX vulnerabilities are being exploited?

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

### Why are newer IP Phone 8821-EX flaws missing from this page?

Cisco also lists IP Phone 8821-EX under more specific names, such as IP Phone 8821-EX Firmware. Flaws listed only under those names are counted on their own pages, not here. Open the release you run to see its own list.

### How do I get alerts for IP Phone 8821-EX?

Create a Precursor Intelligence account and track IP Phone 8821-EX. 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 IP Phone 8821-EX?

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- **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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