# Log Server vulnerabilities

> Log Server is made by Nagios. We track 22 published vulnerabilities in it, across 23 versions. None of them is on the list of flaws known to be exploited today. If you run Log Server, keep it on a version the vendor still supports.

Canonical page: https://www.precursorintelligence.com/product/nagios/log_server

## At a glance

- **Made by:** [Nagios](https://www.precursorintelligence.com/vendors/nagios)
- **Published vulnerabilities:** 22
- **Known to be exploited:** 0
- **Versions tracked:** 23

## Which Log Server vulnerabilities are being exploited?

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

## Which Log Server 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-2021-35478](https://www.precursorintelligence.com/what-is/cve-2021-35478): 77%, Medium (CVSS 5.4)
- [CVE-2020-25385](https://www.precursorintelligence.com/what-is/cve-2020-25385): 16%, Medium (CVSS 6.1)
- [CVE-2025-44823](https://www.precursorintelligence.com/what-is/cve-2025-44823): 16%, Critical (CVSS 9.9)
- [CVE-2020-16157](https://www.precursorintelligence.com/what-is/cve-2020-16157): 14%, Medium (CVSS 5.4)
- [CVE-2021-35479](https://www.precursorintelligence.com/what-is/cve-2021-35479): 13%, Medium (CVSS 5.4)
- [CVE-2025-29471](https://www.precursorintelligence.com/what-is/cve-2025-29471): 7.3%, High (CVSS 8.3)
- [CVE-2025-44824](https://www.precursorintelligence.com/what-is/cve-2025-44824): 2.8%, High (CVSS 8.5)
- [CVE-2025-34277](https://www.precursorintelligence.com/what-is/cve-2025-34277): 2.2%, Critical (CVSS 9.8)
- [CVE-2025-34274](https://www.precursorintelligence.com/what-is/cve-2025-34274): 2.1%, Critical (CVSS 9.8)
- [CVE-2019-15898](https://www.precursorintelligence.com/what-is/cve-2019-15898): 1.6%, Medium (CVSS 6.1)

## Questions

### How many vulnerabilities does Log Server have?

We track 22 published vulnerabilities listed under the name Log Server, across 23 versions.

### Which Log Server vulnerabilities are being exploited?

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

### How do I get alerts for Log Server?

Create a Precursor Intelligence account and track Log Server. 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 Log Server?

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.

Start free (no card, nothing to install): https://www.precursorintelligence.com/register
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