What’s Vulnerable › Vulnerabilities

CVE-2020-10797

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-29 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Netgate pfSense: before 2.4.5 — fixed in 2.4.5

How to fix

Upgrade to a fixed version: Netgate pfSense 2.4.5. Check the vendor advisory for mitigations.

References

• https://docs.netgate.com/pfsense/en/latest/releases/2-4-5-new-features-and-changes.html
• https://github.com/pfsense/pfsense/commit/cc3990a334059018b004c91eeb66c147d8afe83d
• https://redmine.pfsense.org/issues/10355
• https://docs.netgate.com/pfsense/en/latest/releases/2-4-5-new-features-and-changes.html
• https://github.com/pfsense/pfsense/commit/cc3990a334059018b004c91eeb66c147d8afe83d
• https://redmine.pfsense.org/issues/10355

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