6.5
MEDIUM
CVE-2019-17020
Firefox XML XSLscript Injection Vulnerability
Description

If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to the XML document. This vulnerability affects Firefox < 72.

INFO

Published Date :

Jan. 8, 2020, 10:15 p.m.

Last Modified :

July 21, 2021, 11:39 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

2.8
Affected Products

The following products are affected by CVE-2019-17020 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mozilla firefox
1 Canonical ubuntu_linux
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-17020.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1597645 Permissions Required
https://usn.ubuntu.com/4234-1/ Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-01/ Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-17020 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-17020 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-20 CWE-611
  • Initial Analysis by [email protected]

    Jan. 13, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
    Changed Reference Type https://bugzilla.mozilla.org/show_bug.cgi?id=1597645 No Types Assigned https://bugzilla.mozilla.org/show_bug.cgi?id=1597645 Permissions Required
    Changed Reference Type https://usn.ubuntu.com/4234-1/ No Types Assigned https://usn.ubuntu.com/4234-1/ Third Party Advisory
    Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2020-01/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2020-01/ Vendor Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 72.0
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jan. 10, 2020

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4234-1/ [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-17020 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-17020 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.17 }} 0.05%

score

0.53839

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability