Vulnerability Details : CVE-2020-21219
Cross Site Scripting (XSS) vulnerability in Netgate pf Sense 2.4.4-Release-p3 and Netgate ACME package 0.6.3 allows remote attackers to to run arbitrary code via the RootFolder field to acme_certificate_edit.php page of the ACME package.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2020-21219
- cpe:2.3:a:netgate:pfsense:2.4.4:p3:*:*:*:*:*:*
- cpe:2.3:a:netgate:acme:0.6.3:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-21219
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-21219
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2020-21219
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-21219
-
https://redmine.pfsense.org/issues/9888
Bug #9888: ACME output sent to browser without encoding - pfSense Packages - pfSense bugtrackerThird Party Advisory
-
https://github.com/pfsense/FreeBSD-ports/commit/a6f443cde51e7fcf17e51f16014d3589253284d8
Prevent ACME output from being interpreted as HTML. Fixes #9888 · pfsense/FreeBSD-ports@a6f443c · GitHubPatch;Third Party Advisory
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