CVE-2020-10797

Name: CVE-2020-10797
Creator: NVD / NIST
Published: 2020-04-29T14:15:16.967+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 2.33%

Last modified Jun 17, 2026

CVE-2020-10797 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An XSS vulnerability resides in the hostname field of the diag_ping.php page in pfsense before 2.4.5 version. After passing inputs to the command and executing this command, the $result variable is not sanitized before it is printed.. EPSS estimates a 2.33% chance of exploitation in the next 30 days.

Description

An XSS vulnerability resides in the hostname field of the diag_ping.php page in pfsense before 2.4.5 version. After passing inputs to the command and executing this command, the $result variable is not sanitized before it is printed.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

2.33%

81.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Netgate	Pfsense	< 2.4.5

References

https://docs.netgate.com/pfsense/en/latest/releases/2-4-5-new-features-and-changes.htmlRelease Notes, Vendor Advisory
https://github.com/pfsense/pfsense/commit/cc3990a334059018b004c91eeb66c147d8afe83dPatch, Third Party Advisory
https://redmine.pfsense.org/issues/10355Issue Tracking, Third Party Advisory
https://docs.netgate.com/pfsense/en/latest/releases/2-4-5-new-features-and-changes.htmlRelease Notes, Vendor Advisory
https://github.com/pfsense/pfsense/commit/cc3990a334059018b004c91eeb66c147d8afe83dPatch, Third Party Advisory
https://redmine.pfsense.org/issues/10355Issue Tracking, Third Party Advisory

Timeline

Published: Apr 29, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10797?

How severe is CVE-2020-10797?

CVE-2020-10797 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 2.33% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10797?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-10797?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST