How severe is CVE-2020-10797?

CVE-2020-10797 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-10797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10797?

CVE-2020-10797 affects Netgate Pfsense. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10797?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-10797 published?

CVE-2020-10797 was published on 2020-04-29 and last updated on 2026-06-17.

CVE-2020-10797

CVE-2020-10797 is a medium-severity vulnerability in Netgate Pfsense with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Netgate Pfsense
Published: 2020-04-29
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-10797?: 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.
How severe is CVE-2020-10797?: CVE-2020-10797 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-10797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10797?: CVE-2020-10797 affects Netgate Pfsense. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-10797 published?: CVE-2020-10797 was published on 2020-04-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*

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