---
title: "CVE-2020-1745\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2020-1745?format=md
keywords: index, follow
---

# CVE-2020-1745

Publication date 28 April 2020

Last updated 11 July 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**8.6 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2020-1745?format=md#impact-score)

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## Description

A file inclusion vulnerability was found in the AJP connector enabled with
a default AJP configuration port of 8009 in Undertow version 2.0.29.Final
and before and was fixed in 2.0.30.Final. A remote, unauthenticated
attacker could exploit this vulnerability to read web application files
from a vulnerable server. In instances where the vulnerable server allows
file uploads, an attacker could upload malicious JavaServer Pages (JSP)
code within a variety of file types and trigger this vulnerability to gain
remote code execution.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| undertow | 26.04 LTS resolute | Needs evaluation |
| 25.10 questing | Ignored end of life, was needs-triage |
| 25.04 plucky | Ignored end of life, was needs-triage |
| 24.10 oracular | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Needs evaluation |
| 23.10 mantic | Not in release |
| 23.04 lunar | Not in release |
| 22.10 kinetic | Not affected |
| 22.04 LTS jammy | Not affected |
| 21.10 impish | Not affected |
| 21.04 hirsute | Not affected |
| 20.10 groovy | Not affected |
| 20.04 LTS focal | Needs evaluation |
| 19.10 eoan | Ignored end of life |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Needs evaluation |
| 14.04 LTS trusty | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.6 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | Low |
  | Availability impact | Low |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.6 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1745)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2020-1745)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2020-1745)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2020-1745)

### Other references

* <https://bugzilla.redhat.com/show_bug.cgi?id=1807305>
* <https://access.redhat.com/security/cve/CVE-2020-1938>
* <https://www.cve.org/CVERecord?id=CVE-2020-1745>