Vulnerability Details : CVE-2020-19201
Potential exploit
A Stored Cross-Site Scripting (XSS) vulnerability was found in status_filter_reload.php, a page in the pfSense software WebGUI, on Netgate pfSense version 2.4.4-p2 and earlier. The page did not encode output from the filter reload process, and a stored XSS was possible via the descr (description) parameter on NAT rules.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2020-19201
- cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*
- cpe:2.3:a:netgate:pfsense:2.4.4:p1:*:*:*:*:*:*
- cpe:2.3:a:netgate:pfsense:2.4.4:p2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-19201
0.97%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-19201
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST |
CWE ids for CVE-2020-19201
-
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-2020-19201
-
https://www.pfsense.org/download/
Download pfSense Community EditionVendor Advisory
-
https://gist.github.com/dharmeshbaskaran/fd3779006361d07651a883e8a040d916
Authenticated Stored XSS in pfSense 2.4.4-p2 · GitHubExploit;Third Party Advisory
-
https://docs.netgate.com/pfsense/en/latest/releases/2-4-4-p3.html
Releases — 2.4.4-p3 New Features and Changes | pfSense DocumentationProduct;Vendor Advisory
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